{"title":"Ferrea","description":"\u003cdiv class=\"boa-collection-copy\"\u003e\n\u003cp\u003eShop Ferrea valves, springs, retainers, locks, guides, seals, rocker arms, and lifter components by exact engine family, cylinder head, dimensions, material, position, and manufacturer part number. Correct selection requires verification of the complete valvetrain combination and all installed clearances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFerrea Performance Valvetrain Components\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFerrea develops application-sensitive valvetrain parts for performance street, racing, and engine-building projects. Similar-looking components are not interchangeable. Match every specification to the cylinder head, camshaft, spring package, retainers, locks, guides, seals, and intended operating range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing the Correct Ferrea Part\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the exact Ferrea manufacturer part number as the primary identifier\u003c\/li\u003e\n\u003cli\u003eConfirm engine family, cylinder head, intake or exhaust position, and package quantity\u003c\/li\u003e\n\u003cli\u003eMatch valve head, stem, overall length, seat angle, and groove dimensions when applicable\u003c\/li\u003e\n\u003cli\u003eVerify spring pressure, installed height, coil bind, retainer, lock, seal, and guide compatibility\u003c\/li\u003e\n\u003cli\u003eMeasure piston-to-valve, retainer-to-seal, and all running clearances during assembly\u003c\/li\u003e\n\u003cli\u003eHave machining and final assembly performed or checked by a qualified engine builder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Engine Collections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/engine\"\u003eEngine Components\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/valves\"\u003eValves\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/valve-springs-retainers\"\u003eValve Springs and Retainers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/valve-guides\"\u003eValve Guides\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm a Ferrea valve fits my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and every current Ferrea application note.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Ferrea valvetrain parts be mixed with factory components?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete combination. Verify springs, retainers, locks, seals, guides, valves, rockers, lifters, camshaft lift, installed height, pressures, and operating speed with the engine builder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre Ferrea valve sets always a complete engine set?\u003c\/strong\u003e\u003cbr\u003eNo. Package quantity varies by exact part number and may cover only the intake or exhaust side. Confirm the stated quantity and the engine's required valve count before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"ferrea-acura-k20-30mm-5-45mm-109-15mm-30-deg-flo-dish-head-stock-comp-plus-exhaust-valve-set-of-8","title":"Ferrea Acura K20 30mm 5.45mm 109.15mm 30 Deg Flo Dish Head Stock Comp Plus Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1546P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1546P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1546P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e30 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1546P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-31mm-5-45mm-109-15mm-30-deg-flo-dish-head-1mm-comp-plus-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 31mm 5.45mm 109.15mm 30 Deg Flo Dish Head +1mm Comp Plus Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-22-deg-flo-stock-flat-head-5000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Stock Flat Head 5000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-22-deg-flo-radius-grve-stk-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Radius Grve Stk 6000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1546P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1546P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1546P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1546P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665270227023,"sku":"FERF1546P","price":252.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-30mm-5_45mm-109_15mm-30-deg-flo-dish-head-stock-comp-plus-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138372"},{"product_id":"ferrea-acura-k20-35mm-5-47mm-109-30mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8","title":"Ferrea Acura K20 35mm 5.47mm 109.30mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1548P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1548P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1548P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1548P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv Stock 6000 Series Intake Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-30-deg-flo-dish-head-stock-comp-plus-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 30 Deg Flo Dish Head Stock Comp Plus Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-stk-flt-hd-5000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Stk Flt Hd 5000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1548P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1548P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1548P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1548P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665270390863,"sku":"FERF1548P","price":241.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-35mm-5_47mm-109_30mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138381"},{"product_id":"ferrea-bmw-m50-32-95mm-5-97mm-106-1mm-12-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12","title":"Ferrea BMW M50 32.95mm 5.97mm 106.1mm 12 Deg S-Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1550P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1550P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1550P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eM50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e32.95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e106.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e12 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1550P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-n54-31-5mm-4-97mm-106-8mm-24-deg-taper-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW N54 31.5mm 4.97mm 106.8mm 24 Deg Taper Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-30-5mm-5-96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12\"\u003eFerrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-s55-32mm-4-97mm-104-90mm-12-deg-taper-flo-std-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW S55 32mm 4.97mm 104.90mm 12 Deg Taper-Flo STD Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1550P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1550P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1550P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1550P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665270554703,"sku":"FERF1550P","price":378.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-bmw-m50-32_95mm-5_97mm-106_1mm-12-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12-valves-ferrea.jpg?v=1703138394"},{"product_id":"ferrea-bmw-m50-30-5mm-5-96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12","title":"Ferrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1552P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1552P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1552P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eM50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e106mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1552P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-32-95mm-5-97mm-106-1mm-12-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW M50 32.95mm 5.97mm 106.1mm 12 Deg S-Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-n54-28mm-5-96mm-114-75mm-19-deg-taper-flo-stk-trpl-groove-comp-plus-exh-valve-set-of-12\"\u003eFerrea BMW N54 28mm 5.96mm 114.75mm 19 Deg Taper Flo Stk Trpl Groove Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-n54-31-5mm-4-97mm-106-8mm-24-deg-taper-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW N54 31.5mm 4.97mm 106.8mm 24 Deg Taper Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1552P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1552P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1552P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1552P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665270784079,"sku":"FERF1552P","price":378.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-bmw-m50-30_5mm-5_96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12-valves-ferrea.jpg?v=1703138409"},{"product_id":"ferrea-audi-vw-1-8t-20v-29-9mm-5-96mm-103-92mm-26-deg-flo-stk-trip-grv-comp-plus-exh-valve-set-of-8","title":"Ferrea Audi\/VW 1.8T 20V 29.9mm 5.96mm 103.92mm 26 Deg Flo Stk Trip Grv Comp Plus Exh Valve- Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1554P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1554P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1554P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e29.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e103.92mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e26 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1554P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-vw-1-8t-20v-26-9mm-5-97mm-105-1mm-24-deg-s-flo-stk-grve-comp-plus-intake-valve-set-of-12\"\u003eFerrea VW 1.8T 20V 26.9mm 5.97mm 105.1mm 24 Deg S-Flo Stk Grve Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-30-5mm-5-96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12\"\u003eFerrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-30-15mm-6-9mm-22-deg-flo-rad-grv-stk-comp-plus-exh-valve-set-of-12\"\u003eFerrea Nissan RB26 30.15mm 6.9mm 22 Deg Flo Rad Grv Stk Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1554P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1554P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1554P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1554P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665271013455,"sku":"FERF1554P","price":337.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-audivw-1_8t-20v-29_9mm-5_96mm-103_92mm-26-deg-flo-stk-trip-grv-comp-plus-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138421"},{"product_id":"ferrea-honda-h22a1-a4-30mm-5-48mm-107-1mm-22-deg-flo-stock-super-alloy-exhaust-valve-set-of-8","title":"Ferrea Honda H22A1\/A4 30mm 5.48mm 107.1mm 22 Deg Flo Stock Super Alloy Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1823P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1823P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1823P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eH22A1, A4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e107.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eSuper Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1823P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-h22a1-a4-30mm-5-48mm-107-1mm-22-deg-flo-stk-flat-head-5000-series-exh-valve-set-of-8\"\u003eFerrea Honda H22A1\/A4 30mm 5.48mm 107.1mm 22 Deg Flo Stk Flat Head 5000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-toyota-2jzge-2jzgte-29mm-5-98mm-99-1mm-22-deg-flo-stock-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Toyota 2JZGE\/2JZGTE 29mm 5.98mm 99.1mm 22 Deg Flo Stock Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-toyota-2jzge-2jzgte-30mm-5-98mm-99-1mm-22-deg-flo-1mm-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Toyota 2JZGE\/2JZGTE 30mm 5.98mm 99.1mm 22 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1823P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1823P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1823P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1823P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665283203151,"sku":"FERF1823P","price":252.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-h22a1a4-30mm-5_48mm-107_1mm-22-deg-flo-stock-super-alloy-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138433"},{"product_id":"ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-22-deg-flo-stk-comp-plus-exh-valve-set-of-8","title":"Ferrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 22 Deg Flo Stk Comp Plus Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1825P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1825P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1825P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1825P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-109-7mm-22-deg-flo-stk-6000-series-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 109.7mm 22 Deg Flo Stk 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-31-5mm-6-55mm-20-deg-flo-1mm-comp-plus-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 31.5mm 6.55mm 20 Deg Flo +1mm Comp Plus Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-30-5mm-5-96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12\"\u003eFerrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1825P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1825P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1825P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1825P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665283334223,"sku":"FERF1825P","price":252.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4g634g63t-30_5mm-6_55mm-22-deg-flo-stk-comp-plus-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138446"},{"product_id":"ferrea-mitsubishi-4g63-4g63t-34mm-6-57mm-109-7mm-20-deg-s-flo-stk-comp-plus-intake-valve-set-of-8","title":"Ferrea Mitsubishi 4G63\/4G63T 34mm 6.57mm 109.7mm 20 Deg S-Flo Stk Comp Plus Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1826P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1826P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1826P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1826P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-35mm-6-57mm-109-7mm-20-deg-s-flo-1mm-comp-plus-intake-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 35mm 6.57mm 109.7mm 20 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-34mm-6-57mm-20-deg-s-flo-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 34mm 6.57mm 20 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-109-7mm-22-deg-flo-stk-6000-series-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 109.7mm 22 Deg Flo Stk 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1826P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1826P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1826P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1826P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665283432527,"sku":"FERF1826P","price":241.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4g634g63t-34mm-6_57mm-109_7mm-20-deg-s-flo-stk-comp-plus-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138458"},{"product_id":"ferrea-nissan-vg30dett-35mm-6mm-103-13mm-25-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12","title":"Ferrea Nissan VG30DETT 35mm 6mm 103.13mm 25 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1848P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1848P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1848P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e103.13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1848P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-35-6mm-5-98mm-102-33mm-20-deg-s-flo-rad-grv-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan RB26 35.6mm 5.98mm 102.33mm 20 Deg S-Flo Rad Grv +1mm Comp Plus Intake Valve-Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vg30dett-30-5mm-6mm-103-65mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Nissan VG30DETT 30.5mm 6mm 103.65mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-6g72-6g72t-36mm-6-57mm-106-35mm-25-deg-s-flo-1mm-comp-plus-int-valve-set-of-12\"\u003eFerrea Mitsubishi 6G72\/6G72T 36mm 6.57mm 106.35mm 25 Deg S-Flo +1mm Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1848P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1848P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1848P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1848P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665284743247,"sku":"FERF1848P","price":362.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vg30dett-35mm-6mm-103_13mm-25-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12-valves-ferrea.jpg?v=1703138470"},{"product_id":"ferrea-nissan-vg30dett-30-5mm-6mm-103-65mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-12","title":"Ferrea Nissan VG30DETT 30.5mm 6mm 103.65mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1850P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1850P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1850P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e103.65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eSuper Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1850P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vg30dett-35mm-6mm-103-13mm-25-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan VG30DETT 35mm 6mm 103.13mm 25 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-toyota-3sgte-30mm-6mm-99-5mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-8\"\u003eFerrea Toyota 3SGTE 30mm 6mm 99.5mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb25det-29-6mm-5-96mm-88-95mm-21-deg-flo-stock-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Nissan RB25DET 29.6mm 5.96mm 88.95mm 21 Deg Flo Stock Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1850P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1850P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1850P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1850P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665284874319,"sku":"FERF1850P","price":378.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vg30dett-30_5mm-6mm-103_65mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-12-valves-ferrea.jpg?v=1703138482"},{"product_id":"ferrea-honda-f20c-f22c-36mm-5-48mm-109-8mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8","title":"Ferrea Honda F20C\/F22C 36mm 5.48mm 109.8mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F1954P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F1954P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF1954P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eF20C, F22C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F1954P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-f20c-36mm-5-48mm-109-8mm-22-deg-s-flo-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Honda F20C 36mm 5.48mm 109.8mm 22 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-k20c1-35mm-5-48mm-117-25mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Honda K20C1 35mm 5.48mm 117.25mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-30mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.30mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F1954P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F1954P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F1954P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F1954P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665291395151,"sku":"FERF1954P","price":252.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-f20cf22c-36mm-5_48mm-109_8mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138497"},{"product_id":"ferrea-chevrolet-ls7-1-615in-0-313in-5-227in-24-deg-flo-rad-grv-hollow-exhaust-valve-set-of-8","title":"Ferrea Chevrolet LS7 1.615in 0.313in 5.227in 24 Deg Flo Rad Grv Hollow Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2042P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2042P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2042P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e24 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2042P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls7-1-615in-0-313in-5-227in-24-deg-s-flo-rad-grv-s-alloy-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS7 1.615in 0.313in 5.227in 24 Deg S-Flo Rad Grv S-Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls1-1-6in-0-313in-4-915in-24-deg-s-flo-rad-grv-super-alloy-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS1 1.6in 0.313in 4.915in 24 Deg S-Flo Rad Grv Super Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls4-1-6in-4-915in-24-deg-tulip-s-flo-rad-grv-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS4 1.6in 4.915in 24 Deg Tulip S-Flo Rad Grv 6000 Series Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2042P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2042P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2042P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2042P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665294999631,"sku":"FERF2042P","price":380.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-chevrolet-ls7-1_615in-0_313in-5_227in-24-deg-flo-rad-grv-hollow-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138510"},{"product_id":"ferrea-nissan-rb26-30-15mm-6-9mm-22-deg-flo-rad-grv-stk-comp-plus-exh-valve-set-of-12","title":"Ferrea Nissan RB26 30.15mm 6.9mm 22 Deg Flo Rad Grv Stk Comp Plus Exh Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2131P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2131P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2131P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eRB26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2131P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-31-15mm-6-9mm-101-52mm-22deg-flo-o-s-rad-grv-comp-plus-exh-valve-set-of-12\"\u003eFerrea Nissan RB26 31.15mm 6.9mm 101.52mm 22Deg Flo O\/S Rad Grv Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-30-5mm-5-96mm-106mm-25-deg-flo-stk-trpl-grv-comp-plus-exh-valve-set-of-12\"\u003eFerrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-34-6mm-5-98mm-102-33mm-20-deg-s-flo-radial-grv-stk-comp-plus-int-valve-set-of-12\"\u003eFerrea Nissan RB26 34.6mm 5.98mm 102.33mm 20 Deg S-Flo Radial Grv Stk Comp Plus Int Valve- Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2131P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2131P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2131P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2131P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665297031247,"sku":"FERF2131P","price":506.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-rb26-30_15mm-6_9mm-22-deg-flo-rad-grv-stk-comp-plus-exh-valve-set-of-12-valves-ferrea.jpg?v=1703138516"},{"product_id":"ferrea-nissan-rb26-31-15mm-6-9mm-101-52mm-22deg-flo-o-s-rad-grv-comp-plus-exh-valve-set-of-12","title":"Ferrea Nissan RB26 31.15mm 6.9mm 101.52mm 22Deg Flo O\/S Rad Grv Comp Plus Exh Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2132P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2132P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2132P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eRB26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e31.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e101.52mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2132P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-30-15mm-6-9mm-22-deg-flo-rad-grv-stk-comp-plus-exh-valve-set-of-12\"\u003eFerrea Nissan RB26 30.15mm 6.9mm 22 Deg Flo Rad Grv Stk Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-35-6mm-5-98mm-102-33mm-20-deg-s-flo-rad-grv-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan RB26 35.6mm 5.98mm 102.33mm 20 Deg S-Flo Rad Grv +1mm Comp Plus Intake Valve-Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-34-6mm-5-98mm-102-33mm-20-deg-s-flo-radial-grv-stk-comp-plus-int-valve-set-of-12\"\u003eFerrea Nissan RB26 34.6mm 5.98mm 102.33mm 20 Deg S-Flo Radial Grv Stk Comp Plus Int Valve- Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2132P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2132P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2132P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2132P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665297096783,"sku":"FERF2132P","price":506.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-rb26-31_15mm-6_9mm-101_52mm-22deg-flo-os-rad-grv-comp-plus-exh-valve-set-of-12-valves-ferrea.jpg?v=1703138525"},{"product_id":"ferrea-nissan-rb26-34-6mm-5-98mm-102-33mm-20-deg-s-flo-radial-grv-stk-comp-plus-int-valve-set-of-12","title":"Ferrea Nissan RB26 34.6mm 5.98mm 102.33mm 20 Deg S-Flo Radial Grv Stk Comp Plus Int Valve- Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2133P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2133P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2133P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eRB26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e34.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.98mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e102.33mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2133P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-35-6mm-5-98mm-102-33mm-20-deg-s-flo-rad-grv-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan RB26 35.6mm 5.98mm 102.33mm 20 Deg S-Flo Rad Grv +1mm Comp Plus Intake Valve-Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-tfsi-daza-34-9mm-5-98mm-104mm-20-deg-s-flo-1mm-trpl-grv-comp-plus-int-valve-set-of-10\"\u003eFerrea Audi TFSI DAZA 34.9mm 5.98mm 104mm 20 Deg S-Flo +1mm Trpl Grv Comp Plus Int Valve - Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-neo-34-15mm-5-98mm-104-2mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan NEO 34.15mm 5.98mm 104.2mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2133P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2133P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2133P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2133P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665297195087,"sku":"FERF2133P","price":362.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-rb26-34_6mm-5_98mm-102_33mm-20-deg-s-flo-radial-grv-stk-comp-plus-int-valve-set-of-12-valves-ferrea.jpg?v=1703138537"},{"product_id":"ferrea-nissan-rb25det-29-6mm-5-96mm-88-95mm-21-deg-flo-stock-super-alloy-exhaust-valve-set-of-12","title":"Ferrea Nissan RB25DET 29.6mm 5.96mm 88.95mm 21 Deg Flo Stock Super Alloy Exhaust Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2149P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2149P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2149P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e29.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e88.95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e21 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eSuper Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2149P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vg30dett-30-5mm-6mm-103-65mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Nissan VG30DETT 30.5mm 6mm 103.65mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-neo-29-65mm-5-96mm-97-95mm-22-deg-exhaust-valve-set-of-12\"\u003eFerrea Nissan NEO 29.65mm 5.96mm 97.95mm 22 Deg Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-32-2mm-5-97mm-92mm-24-deg-taper-flo-stk-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 32.2mm 5.97mm 92mm 24 Deg Taper Flo Stk Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2149P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2149P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2149P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2149P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665298243663,"sku":"FERF2149P","price":506.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-rb25det-29_6mm-5_96mm-88_95mm-21-deg-flo-stock-super-alloy-exhaust-valve-set-of-12-valves-ferrea-2.jpg?v=1724866857"},{"product_id":"ferrea-nissan-rb25det-34-12mm-5-97mm-86-7mm-15-deg-s-flo-stk-comp-plus-intake-valve-set-of-12","title":"Ferrea Nissan RB25DET 34.12mm 5.97mm 86.7mm 15 Deg S-Flo Stk Comp Plus Intake Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2151P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2151P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2151P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e34.12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e86.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e15 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2151P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-neo-34-15mm-5-98mm-104-2mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan NEO 34.15mm 5.98mm 104.2mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-34-6mm-5-98mm-102-33mm-20-deg-s-flo-radial-grv-stk-comp-plus-int-valve-set-of-12\"\u003eFerrea Nissan RB26 34.6mm 5.98mm 102.33mm 20 Deg S-Flo Radial Grv Stk Comp Plus Int Valve- Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-vw-1-8t-20v-26-9mm-5-97mm-105-1mm-24-deg-s-flo-stk-grve-comp-plus-intake-valve-set-of-12\"\u003eFerrea VW 1.8T 20V 26.9mm 5.97mm 105.1mm 24 Deg S-Flo Stk Grve Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2151P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2151P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2151P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2151P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665298374735,"sku":"FERF2151P","price":362.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-rb25det-34_12mm-5_97mm-86_7mm-15-deg-s-flo-stk-comp-plus-intake-valve-set-of-12-valves-ferrea-2.jpg?v=1724866864"},{"product_id":"ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-comp-plus-int-valve-set-of-8","title":"Ferrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv Comp Plus Int Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2175P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2175P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2175P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e113.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e15 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2175P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-6000-series-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv 6000 Series Int Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-36mm-5-47mm-113-25mm-15-deg-s-flo-1mm-sgl-grv-comp-plus-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 36mm 5.47mm 113.25mm 15 Deg S-Flo +1mm Sgl Grv Comp Plus Int Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-m50-32-95mm-5-97mm-106-1mm-12-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW M50 32.95mm 5.97mm 106.1mm 12 Deg S-Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2175P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2175P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2175P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2175P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665299521615,"sku":"FERF2175P","price":241.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4b11t-35mm-5_47mm-113_25mm-15-deg-s-flo-stk-sgl-grv-comp-plus-int-valve-set-of-8-valves-ferrea.jpg?v=1703138577"},{"product_id":"ferrea-mitsubishi-4b11t-36mm-5-47mm-113-25mm-15-deg-s-flo-1mm-sgl-grv-comp-plus-int-valve-set-of-8","title":"Ferrea Mitsubishi 4B11T 36mm 5.47mm 113.25mm 15 Deg S-Flo +1mm Sgl Grv Comp Plus Int Valve- Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2176P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2176P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2176P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e113.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e15 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2176P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-comp-plus-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv Comp Plus Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-6000-series-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv 6000 Series Int Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-6g72-6g72t-36mm-6-57mm-106-35mm-25-deg-s-flo-1mm-comp-plus-int-valve-set-of-12\"\u003eFerrea Mitsubishi 6G72\/6G72T 36mm 6.57mm 106.35mm 25 Deg S-Flo +1mm Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2176P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2176P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2176P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2176P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665299619919,"sku":"FERF2176P","price":241.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4b11t-36mm-5_47mm-113_25mm-15-deg-s-flo-1mm-sgl-grv-comp-plus-int-valve-set-of-8-valves-ferrea.jpg?v=1703138598"},{"product_id":"ferrea-vw-2-0t-tsi-16v-33-9mm-5-99mm-104mm-20-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-8","title":"Ferrea VW 2.0T TSI 16V 33.9mm 5.99mm 104mm 20 Deg S-Flo Stk Trpl Grv Comp Plus Int Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2179P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2179P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2179P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e33.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.99mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e104mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2179P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-tfsi-daza-33-9mm-5-98mm-104mm-20-deg-s-flo-stock-trpl-grv-comp-plus-int-valve-set-of-10\"\u003eFerrea Audi TFSI DAZA 33.9mm 5.98mm 104mm 20 Deg S-Flo Stock Trpl Grv Comp Plus Int Valve- Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-vw-2-0t-tsi-f5134-9mm-5-98mm-20-deg-s-flo-1mm-trpl-grv-comp-plus-intake-valve-set-of-8\"\u003eFerrea VW 2.0T TSI F5134.9mm 5.98mm 20 Deg S-Flo +1mm Trpl Grv Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-tfsi-daza-34-9mm-5-98mm-104mm-20-deg-s-flo-1mm-trpl-grv-comp-plus-int-valve-set-of-10\"\u003eFerrea Audi TFSI DAZA 34.9mm 5.98mm 104mm 20 Deg S-Flo +1mm Trpl Grv Comp Plus Int Valve - Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2179P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2179P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2179P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2179P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665299816527,"sku":"FERF2179P","price":241.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-vw-2_0t-tsi-16v-33_9mm-5_99mm-104mm-20-deg-s-flo-stk-trpl-grv-comp-plus-int-valve-set-of-8-valves-ferrea.jpg?v=1703138607"},{"product_id":"ferrea-mitsubishi-4b11t-29mm-5-46mm-105-90mm-25-deg-flo-stk-sgl-grv-super-alloy-exh-valve-set-of-8","title":"Ferrea Mitsubishi 4B11T 29mm 5.46mm 105.90mm 25 Deg Flo Stk Sgl Grv Super Alloy Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2181P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2181P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2181P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.46mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e105.90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eSuper Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2181P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-29mm-5-46mm-105-90mm-25-deg-flo-stk-sgl-grv-6000-series-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 29mm 5.46mm 105.90mm 25 Deg Flo Stk Sgl Grv 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-30mm-5-46mm-105-90mm-25-deg-flo-1mm-sgl-grv-super-alloy-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 30mm 5.46mm 105.90mm 25 Deg Flo +1mm Sgl Grv Super Alloy Exh Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-tfsi-daza-29mm-5-97mm-102mm-24-deg-flo-1mm-trpl-grv-super-alloy-exh-valve-set-of-10\"\u003eFerrea Audi TFSI DAZA 29mm 5.97mm 102mm 24 Deg Flo +1mm Trpl Grv Super Alloy Exh Valve - Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2181P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2181P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2181P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2181P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665299980367,"sku":"FERF2181P","price":337.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4b11t-29mm-5_46mm-105_90mm-25-deg-flo-stk-sgl-grv-super-alloy-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138628"},{"product_id":"ferrea-nissan-vr38dett-32-2mm-5-97mm-92mm-24-deg-taper-flo-stk-super-alloy-exhaust-valve-set-of-12","title":"Ferrea Nissan VR38DETT 32.2mm 5.97mm 92mm 24 Deg Taper Flo Stk Super Alloy Exhaust Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2234P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2234P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2234P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eVR38DETT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e32.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e92mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e24 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eSuper Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2234P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-24v-33-2mm-5-97mm-92mm-24-deg-taper-flo-1mm-comp-plus-exh-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 24V 33.2mm 5.97mm 92mm 24 Deg Taper Flo +1mm Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-vw-btw-28mm-5-97mm-102mm-24-deg-flo-stk-trpl-groove-super-alloy-exh-valve-set-of-10\"\u003eFerrea Audi\/VW BTW 28mm 5.97mm 102mm 24 Deg Flo Stk Trpl Groove Super Alloy Exh Valve - Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-vw-btw-29mm-5-97mm-102mm-24-deg-flo-1mm-trpl-grv-super-alloy-exhaust-valve-set-of-10\"\u003eFerrea Audi\/VW BTW 29mm 5.97mm 102mm 24 Deg Flo +1mm Trpl Grv Super Alloy Exhaust Valve - Set of 10\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2234P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2234P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2234P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2234P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665302700111,"sku":"FERF2234P","price":506.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vr38dett-32_2mm-5_97mm-92mm-24-deg-taper-flo-stk-super-alloy-exhaust-valve-set-of-12-valves-ferrea.jpg?v=1703138647"},{"product_id":"ferrea-nissan-vr38dett-24v-33-2mm-5-97mm-92mm-24-deg-taper-flo-1mm-comp-plus-exh-valve-set-of-12","title":"Ferrea Nissan VR38DETT 24V 33.2mm 5.97mm 92mm 24 Deg Taper Flo +1mm Comp Plus Exh Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2235P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2235P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2235P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eVR38DETT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e33.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e92mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e24 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2235P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-32-2mm-5-97mm-92mm-24-deg-taper-flo-stk-super-alloy-exhaust-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 32.2mm 5.97mm 92mm 24 Deg Taper Flo Stk Super Alloy Exhaust Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-24v-38mm-5-98mm-95mm-22-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 24V 38mm 5.98mm 95mm 22 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-bmw-n54-31-5mm-4-97mm-106-8mm-24-deg-taper-flo-stk-trpl-grv-comp-plus-int-valve-set-of-12\"\u003eFerrea BMW N54 31.5mm 4.97mm 106.8mm 24 Deg Taper Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2235P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2235P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2235P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2235P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665302765647,"sku":"FERF2235P","price":506.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vr38dett-24v-33_2mm-5_97mm-92mm-24-deg-taper-flo-1mm-comp-plus-exh-valve-set-of-12-valves-ferrea.jpg?v=1703138665"},{"product_id":"ferrea-nissan-vr38dett-37mm-5-98mm-95mm-22-deg-s-flo-stock-competition-plus-intake-valve-set-of-12","title":"Ferrea Nissan VR38DETT 37mm 5.98mm 95mm 22 Deg S-Flo Stock Competition Plus Intake Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2236P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2236P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2236P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eVR38DETT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e37mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.98mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2236P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-24v-38mm-5-98mm-95mm-22-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 24V 38mm 5.98mm 95mm 22 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-neo-34-15mm-5-98mm-104-2mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan NEO 34.15mm 5.98mm 104.2mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-35-6mm-5-98mm-102-33mm-20-deg-s-flo-rad-grv-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan RB26 35.6mm 5.98mm 102.33mm 20 Deg S-Flo Rad Grv +1mm Comp Plus Intake Valve-Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2236P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2236P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2236P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2236P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665302831183,"sku":"FERF2236P","price":362.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vr38dett-37mm-5_98mm-95mm-22-deg-s-flo-stock-competition-plus-intake-valve-set-of-12-valves-ferrea.jpg?v=1703138681"},{"product_id":"ferrea-nissan-vr38dett-24v-38mm-5-98mm-95mm-22-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12","title":"Ferrea Nissan VR38DETT 24V 38mm 5.98mm 95mm 22 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F2237P, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F2237P\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF2237P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eVR38DETT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.98mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial or Series\u003c\/th\u003e\n\u003ctd\u003eComp Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F2237P. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-37mm-5-98mm-95mm-22-deg-s-flo-stock-competition-plus-intake-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 37mm 5.98mm 95mm 22 Deg S-Flo Stock Competition Plus Intake Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-rb26-35-6mm-5-98mm-102-33mm-20-deg-s-flo-rad-grv-1mm-comp-plus-intake-valve-set-of-12\"\u003eFerrea Nissan RB26 35.6mm 5.98mm 102.33mm 20 Deg S-Flo Rad Grv +1mm Comp Plus Intake Valve-Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-vr38dett-24v-33-2mm-5-97mm-92mm-24-deg-taper-flo-1mm-comp-plus-exh-valve-set-of-12\"\u003eFerrea Nissan VR38DETT 24V 33.2mm 5.97mm 92mm 24 Deg Taper Flo +1mm Comp Plus Exh Valve - Set of 12\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F2237P matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F2237P be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F2237P listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 12, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F2237P and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665302896719,"sku":"FERF2237P","price":362.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-vr38dett-24v-38mm-5_98mm-95mm-22-deg-s-flo-1mm-comp-plus-intake-valve-set-of-12-valves-ferrea.jpg?v=1703138690"},{"product_id":"ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-stk-flt-hd-5000-series-intake-valve-set-of-8","title":"Ferrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Stk Flt Hd 5000 Series Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F5510, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F5510\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF5510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F5510. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv Stock 6000 Series Intake Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-36mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-1mm-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv +1mm 6000 Series Intake Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-30mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.30mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F5510 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F5510 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F5510 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F5510 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665318199375,"sku":"FERF5510","price":113.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-35mm-5_47mm-109_3mm-20-deg-s-flo-stk-flt-hd-5000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138699"},{"product_id":"ferrea-honda-h22a1-a4-35mm-5-48mm-106-85mm-20-deg-s-flo-stk-6000-series-intake-valve-set-of-8","title":"Ferrea Honda H22A1\/A4 35mm 5.48mm 106.85mm 20 Deg S-Flo Stk 6000 Series Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6024, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6024\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eH22A1, A4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e106.85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6024. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-h22a1-a4-35mm-5-48mm-106-85mm-20-deg-s-flo-stk-flat-hd-5000-series-int-valve-set-of-8\"\u003eFerrea Honda H22A1\/A4 35mm 5.48mm 106.85mm 20 Deg S-Flo Stk Flat Hd 5000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-d16z6-y5-y7-y8-30mm-5-48mm-20-deg-s-flo-rad-grv-stk-6000-series-int-valve-set-of-8\"\u003eFerrea Honda D16Z6\/Y5\/Y7\/Y8 30mm 5.48mm 20 Deg S-Flo Rad Grv Stk 6000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-h22a1-a4-30mm-5-48mm-107-1mm-22-deg-flo-stk-flat-head-5000-series-exh-valve-set-of-8\"\u003eFerrea Honda H22A1\/A4 30mm 5.48mm 107.1mm 22 Deg Flo Stk Flat Head 5000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6024 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6024 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6024 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6024 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665319346255,"sku":"FERF6024","price":168.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-h22a1a4-35mm-5_48mm-106_85mm-20-deg-s-flo-stk-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138711"},{"product_id":"ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-109-7mm-22-deg-flo-stk-6000-series-exh-valve-set-of-8","title":"Ferrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 109.7mm 22 Deg Flo Stk 6000 Series Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6025, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6025\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6025. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-22-deg-flo-stk-comp-plus-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 22 Deg Flo Stk Comp Plus Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63t-31-5mm-6-55mm-109-7mm-22-deg-flo-1mm-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63T 31.5mm 6.55mm 109.7mm 22 Deg Flo +1mm 6000 Series Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-31-5mm-6-55mm-20-deg-flo-1mm-comp-plus-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 31.5mm 6.55mm 20 Deg Flo +1mm Comp Plus Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6025 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6025 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6025 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6025 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665319444559,"sku":"FERF6025","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4g634g63t-30_5mm-6_55mm-109_7mm-22-deg-flo-stk-6000-series-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138720"},{"product_id":"ferrea-mitsubishi-4g63-4g63t-34mm-6-57mm-20-deg-s-flo-stock-6000-series-intake-valve-set-of-8","title":"Ferrea Mitsubishi 4G63\/4G63T 34mm 6.57mm 20 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6026, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6026\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6026. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-35mm-6-57mm-20-deg-s-flo-1mm-6000-series-intake-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 35mm 6.57mm 20 Deg S-Flo +1mm 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-34mm-6-57mm-109-7mm-20-deg-s-flo-stk-comp-plus-intake-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 34mm 6.57mm 109.7mm 20 Deg S-Flo Stk Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-35mm-6-57mm-109-7mm-20-deg-s-flo-1mm-comp-plus-intake-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 35mm 6.57mm 109.7mm 20 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6026 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6026 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6026 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6026 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665319542863,"sku":"FERF6026","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4g634g63t-34mm-6_57mm-20-deg-s-flo-stock-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138729"},{"product_id":"ferrea-honda-b17a1-b18c1-c3-33mm-5-47mm-25-deg-s-flo-stock-6000-series-intake-valve-set-of-8","title":"Ferrea Honda B17A1\/B18C1\/C3 33mm 5.47mm 25 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6048, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6048\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6048\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eB17A1, B18C1, C3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e33mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6048. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-b17a1-b18c1-c3-33mm-5-47mm-25-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Honda B17A1\/B18C1\/C3 33mm 5.47mm 25 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-b17a1-b18c1-c3-33mm-5-47mm-25-deg-s-flo-stk-flat-head-5000-series-int-valve-set-of-8\"\u003eFerrea Honda B17A1\/B18C1\/C3 33mm 5.47mm 25 Deg S-Flo Stk Flat Head 5000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b16a1-b17a1-28mm-5-45mm-102-5mm-25-deg-flo-stock-6000-series-exh-valve-set-of-8\"\u003eFerrea Acura\/Honda B16A1\/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stock 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6048 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6048 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6048 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6048 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665320296527,"sku":"FERF6048","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-b17a1b18c1c3-33mm-5_47mm-25-deg-s-flo-stock-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138738"},{"product_id":"ferrea-acura-honda-b16a1-b17a1-28mm-5-45mm-102-5mm-25-deg-flo-stock-6000-series-exh-valve-set-of-8","title":"Ferrea Acura\/Honda B16A1\/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stock 6000 Series Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6049, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6049\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eB16A1, B17A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e102.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6049. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b16a1-b17a1-28mm-5-45mm-102-5mm-25-deg-flo-stock-super-alloy-exh-valve-set-of-8\"\u003eFerrea Acura\/Honda B16A1\/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stock Super Alloy Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-b16a1-b17a1-28mm-5-45mm-102-5mm-25-deg-flo-stk-flat-hd-5000-series-exh-valve-set-of-8\"\u003eFerrea Honda B16A1\/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stk Flat Hd 5000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-b17a1-b18c1-c3-33mm-5-47mm-25-deg-s-flo-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Honda B17A1\/B18C1\/C3 33mm 5.47mm 25 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6049 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6049 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6049 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6049 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665320394831,"sku":"FERF6049","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acurahonda-b16a1b17a1-28mm-5_45mm-102_5mm-25-deg-flo-stock-6000-series-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138760"},{"product_id":"ferrea-mitsubishi-4g63t-31-5mm-6-55mm-109-7mm-22-deg-flo-1mm-6000-series-exhaust-valve-set-of-8","title":"Ferrea Mitsubishi 4G63T 31.5mm 6.55mm 109.7mm 22 Deg Flo +1mm 6000 Series Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6054, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6054\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6054\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e31.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e6.55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6054. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-30-5mm-6-55mm-109-7mm-22-deg-flo-stk-6000-series-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 30.5mm 6.55mm 109.7mm 22 Deg Flo Stk 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-31mm-5-45mm-109-15mm-22-deg-flo-radius-grv-1mm-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 31mm 5.45mm 109.15mm 22 Deg Flo Radius Grv +1mm 6000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4g63-4g63t-31-5mm-6-55mm-20-deg-flo-1mm-comp-plus-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4G63\/4G63T 31.5mm 6.55mm 20 Deg Flo +1mm Comp Plus Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6054 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6054 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6054 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6054 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665320558671,"sku":"FERF6054","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4g63t-31_5mm-6_55mm-109_7mm-22-deg-flo-1mm-6000-series-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138769"},{"product_id":"ferrea-honda-d16z6-y5-y7-y8-26mm-5-46mm-22-deg-flo-rad-grv-stock-6000-series-exh-valve-set-of-8","title":"Ferrea Honda D16Z6\/Y5\/Y7\/Y8 26mm 5.46mm 22 Deg Flo Rad Grv Stock 6000 Series Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6067, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6067\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6067\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eD16Z6, Y5, Y7, Y8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.46mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6067. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-d16z6-y5-y7-y8-30mm-5-48mm-20-deg-s-flo-rad-grv-stk-6000-series-int-valve-set-of-8\"\u003eFerrea Honda D16Z6\/Y5\/Y7\/Y8 30mm 5.48mm 20 Deg S-Flo Rad Grv Stk 6000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-j7a-adu-vw-pl-9ar-28-1mm-6-93mm-22-deg-flo-rad-grv-stk-6000-series-exh-valve-set-of-8\"\u003eFerrea Audi J7A\/ADU\/VW PL\/9AR 28.1mm 6.93mm 22 Deg Flo Rad Grv Stk 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b16a1-b17a1-28mm-5-45mm-102-5mm-25-deg-flo-stock-6000-series-exh-valve-set-of-8\"\u003eFerrea Acura\/Honda B16A1\/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stock 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6067 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6067 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6067 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6067 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665321869391,"sku":"FERF6067","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-d16z6y5y7y8-26mm-5_46mm-22-deg-flo-rad-grv-stock-6000-series-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138781"},{"product_id":"ferrea-honda-d16z6-y5-y7-y8-30mm-5-48mm-20-deg-s-flo-rad-grv-stk-6000-series-int-valve-set-of-8","title":"Ferrea Honda D16Z6\/Y5\/Y7\/Y8 30mm 5.48mm 20 Deg S-Flo Rad Grv Stk 6000 Series Int Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6068, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6068\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6068\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eD16Z6, Y5, Y7, Y8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6068. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-d16z6-y5-y7-y8-26mm-5-46mm-22-deg-flo-rad-grv-stock-6000-series-exh-valve-set-of-8\"\u003eFerrea Honda D16Z6\/Y5\/Y7\/Y8 26mm 5.46mm 22 Deg Flo Rad Grv Stock 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-h22a1-a4-35mm-5-48mm-106-85mm-20-deg-s-flo-stk-6000-series-intake-valve-set-of-8\"\u003eFerrea Honda H22A1\/A4 35mm 5.48mm 106.85mm 20 Deg S-Flo Stk 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-h22a1-a4-35mm-5-48mm-106-85mm-20-deg-s-flo-stk-flat-hd-5000-series-int-valve-set-of-8\"\u003eFerrea Honda H22A1\/A4 35mm 5.48mm 106.85mm 20 Deg S-Flo Stk Flat Hd 5000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6068 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6068 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6068 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6068 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665321967695,"sku":"FERF6068","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-d16z6y5y7y8-30mm-5_48mm-20-deg-s-flo-rad-grv-stk-6000-series-int-valve-set-of-8-valves-ferrea.jpg?v=1703138790"},{"product_id":"ferrea-acura-k20-30mm-5-45mm-109-15mm-22-deg-flo-radius-grve-stk-6000-series-exhaust-valve-set-of-8","title":"Ferrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Radius Grve Stk 6000 Series Exhaust Valve- Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6071, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6071\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6071\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6071. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-31mm-5-45mm-109-15mm-22-deg-flo-radius-grv-1mm-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 31mm 5.45mm 109.15mm 22 Deg Flo Radius Grv +1mm 6000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-22-deg-flo-stock-flat-head-5000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Stock Flat Head 5000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-30-deg-flo-dish-head-stock-comp-plus-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 30 Deg Flo Dish Head Stock Comp Plus Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6071 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6071 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6071 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6071 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665322197071,"sku":"FERF6071","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-30mm-5_45mm-109_15mm-22-deg-flo-radius-grve-stk-6000-series-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138799"},{"product_id":"ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8","title":"Ferrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv Stock 6000 Series Intake Valve-Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6073, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6073\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6073\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6073. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-36mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-1mm-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv +1mm 6000 Series Intake Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-stk-flt-hd-5000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Stk Flt Hd 5000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-30mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.30mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6073 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6073 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6073 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6073 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665322393679,"sku":"FERF6073","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-35mm-5_47mm-109_3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138808"},{"product_id":"ferrea-acura-k20-36mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-1mm-6000-series-intake-valve-set-of-8","title":"Ferrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv +1mm 6000 Series Intake Valve- Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6074, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6074\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6074\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e20 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6074. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv Stock 6000 Series Intake Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-36mm-5-47mm-109-3mm-20-deg-s-flo-1mm-competition-plus-intake-valve-set-of-8\"\u003eFerrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-31mm-5-45mm-109-15mm-22-deg-flo-radius-grv-1mm-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 31mm 5.45mm 109.15mm 22 Deg Flo Radius Grv +1mm 6000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6074 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6074 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6074 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6074 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665322655823,"sku":"FERF6074","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-36mm-5_47mm-109_3mm-20-deg-s-flo-radius-grv-1mm-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138818"},{"product_id":"ferrea-subaru-ej20-32mm-5-96mm-104-75mm-25-deg-flo-radius-grv-stk-6000-series-exhaust-valve-set-of-8","title":"Ferrea Subaru EJ20 32mm 5.96mm 104.75mm 25 Deg Flo Radius Grv Stk 6000 Series Exhaust Valve-Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6075, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6075\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e104.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6075. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-subaru-ej20-32mm-5-96mm-104-75mm-25-deg-flo-stock-super-alloy-exhaust-valve-set-of-8\"\u003eFerrea Subaru EJ20 32mm 5.96mm 104.75mm 25 Deg Flo Stock Super Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-subaru-ej20-33mm-5-96mm-104-75mm-25-deg-flo-1mm-super-alloy-exhaust-valve-set-of-8\"\u003eFerrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-30mm-5-45mm-109-15mm-22-deg-flo-radius-grve-stk-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Radius Grve Stk 6000 Series Exhaust Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6075 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6075 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6075 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6075 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665322721359,"sku":"FERF6075","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-subaru-ej20-32mm-5_96mm-104_75mm-25-deg-flo-radius-grv-stk-6000-series-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138839"},{"product_id":"ferrea-chevrolet-ls4-1-6in-4-915in-24-deg-tulip-s-flo-rad-grv-6000-series-exhaust-valve-set-of-8","title":"Ferrea Chevrolet LS4 1.6in 4.915in 24 Deg Tulip S-Flo Rad Grv 6000 Series Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6235, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6235\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6235\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e24 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6235. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls1-1-6in-0-313in-4-915in-24-deg-s-flo-rad-grv-super-alloy-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS1 1.6in 0.313in 4.915in 24 Deg S-Flo Rad Grv Super Alloy Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls3-2-165in-4-9in-12-deg-s-flo-b-c-30-deg-rad-grv-6000-series-int-valve-set-of-8\"\u003eFerrea Chevrolet LS3 2.165in 4.9in 12 Deg S-Flo B\/C 30 Deg Rad Grv 6000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls7-1-615in-0-313in-5-227in-24-deg-flo-rad-grv-hollow-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS7 1.615in 0.313in 5.227in 24 Deg Flo Rad Grv Hollow Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6235 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6235 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6235 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6235 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665357586511,"sku":"FERF6235","price":203.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-chevrolet-ls4-1_6in-4_915in-24-deg-tulip-s-flo-rad-grv-6000-series-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138851"},{"product_id":"ferrea-chevrolet-ls3-2-165in-4-9in-12-deg-s-flo-b-c-30-deg-rad-grv-6000-series-int-valve-set-of-8","title":"Ferrea Chevrolet LS3 2.165in 4.9in 12 Deg S-Flo B\/C 30 Deg Rad Grv 6000 Series Int Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6279, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6279\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6279\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e12 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6279. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-chevrolet-ls4-1-6in-4-915in-24-deg-tulip-s-flo-rad-grv-6000-series-exhaust-valve-set-of-8\"\u003eFerrea Chevrolet LS4 1.6in 4.915in 24 Deg Tulip S-Flo Rad Grv 6000 Series Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-d16z6-y5-y7-y8-30mm-5-48mm-20-deg-s-flo-rad-grv-stk-6000-series-int-valve-set-of-8\"\u003eFerrea Honda D16Z6\/Y5\/Y7\/Y8 30mm 5.48mm 20 Deg S-Flo Rad Grv Stk 6000 Series Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-audi-j7a-adu-vw-pl-9ar-28-1mm-6-93mm-22-deg-flo-rad-grv-stk-6000-series-exh-valve-set-of-8\"\u003eFerrea Audi J7A\/ADU\/VW PL\/9AR 28.1mm 6.93mm 22 Deg Flo Rad Grv Stk 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6279 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6279 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6279 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6279 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665366925391,"sku":"FERF6279","price":216.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-chevrolet-ls3-2_165in-4_9in-12-deg-s-flo-bc-30-deg-rad-grv-6000-series-int-valve-set-of-8-valves-ferrea.jpg?v=1703138863"},{"product_id":"ferrea-mitsubishi-4b11t-29mm-5-46mm-105-90mm-25-deg-flo-stk-sgl-grv-6000-series-exh-valve-set-of-8","title":"Ferrea Mitsubishi 4B11T 29mm 5.46mm 105.90mm 25 Deg Flo Stk Sgl Grv 6000 Series Exh Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6292, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6292\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6292\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.46mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e105.90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e25 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6292. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-29mm-5-46mm-105-90mm-25-deg-flo-stk-sgl-grv-super-alloy-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 29mm 5.46mm 105.90mm 25 Deg Flo Stk Sgl Grv Super Alloy Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-30mm-5-46mm-105-90mm-25-deg-flo-1mm-sgl-grv-super-alloy-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 30mm 5.46mm 105.90mm 25 Deg Flo +1mm Sgl Grv Super Alloy Exh Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-6000-series-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv 6000 Series Int Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6292 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6292 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6292 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6292 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665368727631,"sku":"FERF6292","price":175.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4b11t-29mm-5_46mm-105_90mm-25-deg-flo-stk-sgl-grv-6000-series-exh-valve-set-of-8-valves-ferrea.jpg?v=1703138882"},{"product_id":"ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-6000-series-int-valve-set-of-8","title":"Ferrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv 6000 Series Int Valve-Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6294, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6294\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6294\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.47mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e113.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e15 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6294. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-35mm-5-47mm-113-25mm-15-deg-s-flo-stk-sgl-grv-comp-plus-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 35mm 5.47mm 113.25mm 15 Deg S-Flo Stk Sgl Grv Comp Plus Int Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-36mm-5-47mm-113-25mm-15-deg-s-flo-1mm-sgl-grv-comp-plus-int-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 36mm 5.47mm 113.25mm 15 Deg S-Flo +1mm Sgl Grv Comp Plus Int Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-mitsubishi-4b11t-29mm-5-46mm-105-90mm-25-deg-flo-stk-sgl-grv-6000-series-exh-valve-set-of-8\"\u003eFerrea Mitsubishi 4B11T 29mm 5.46mm 105.90mm 25 Deg Flo Stk Sgl Grv 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6294 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6294 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6294 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6294 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665369940047,"sku":"FERF6294","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-mitsubishi-4b11t-35mm-5_47mm-113_25mm-15-deg-s-flo-stk-sgl-grv-6000-series-int-valve-set-of-8-valves-ferrea.jpg?v=1703138891"},{"product_id":"ferrea-honda-f20c-31mm-5-46mm-109mm-24-deg-flo-stock-6000-series-exhaust-valve-set-of-8","title":"Ferrea Honda F20C 31mm 5.46mm 109mm 24 Deg Flo Stock 6000 Series Exhaust Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6329, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6329\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6329\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eF20C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.46mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e24 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6329. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-f20c-31mm-5-46mm-109mm-22-deg-flo-stock-competition-plus-exhaust-valve-set-of-8\"\u003eFerrea Honda F20C 31mm 5.46mm 109mm 22 Deg Flo Stock Competition Plus Exhaust Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-d16z6-y5-y7-y8-26mm-5-46mm-22-deg-flo-rad-grv-stock-6000-series-exh-valve-set-of-8\"\u003eFerrea Honda D16Z6\/Y5\/Y7\/Y8 26mm 5.46mm 22 Deg Flo Rad Grv Stock 6000 Series Exh Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-f20c-36mm-5-48mm-109-8mm-22-deg-s-flo-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Honda F20C 36mm 5.48mm 109.8mm 22 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6329 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6329 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6329 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6329 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665379934287,"sku":"FERF6329","price":175.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-f20c-31mm-5_46mm-109mm-24-deg-flo-stock-6000-series-exhaust-valve-set-of-8-valves-ferrea.jpg?v=1703138903"},{"product_id":"ferrea-honda-f20c-36mm-5-48mm-109-8mm-22-deg-s-flo-stock-6000-series-intake-valve-set-of-8","title":"Ferrea Honda F20C 36mm 5.48mm 109.8mm 22 Deg S-Flo Stock 6000 Series Intake Valve - Set of 8","description":"\u003cp\u003eThis Ferrea performance engine valve set is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number F6330, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea performance engine valve set identified by manufacturer part number F6330\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eF6330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eF20C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Position\u003c\/th\u003e\n\u003ctd\u003eIntake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStem Diameter\u003c\/th\u003e\n\u003ctd\u003e5.48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e109.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Angle\u003c\/th\u003e\n\u003ctd\u003e22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003eSet of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea performance engine valve set package identified by manufacturer part number F6330. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-f20c-f22c-36mm-5-48mm-109-8mm-20-deg-s-flo-stock-comp-plus-intake-valve-set-of-8\"\u003eFerrea Honda F20C\/F22C 36mm 5.48mm 109.8mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-35mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-stock-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 35mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv Stock 6000 Series Intake Valve-Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-36mm-5-47mm-109-3mm-20-deg-s-flo-radius-grv-1mm-6000-series-intake-valve-set-of-8\"\u003eFerrea Acura K20 36mm 5.47mm 109.3mm 20 Deg S-Flo Radius Grv +1mm 6000 Series Intake Valve- Set of 8\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea F6330 matches my cylinder head?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, intake or exhaust position, head diameter, stem diameter, overall length, seat angle, groove style, and installed-height requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan Ferrea F6330 be mixed with factory springs and retainers?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on stem and groove dimensions, spring pressure, retainer and lock design, installed height, camshaft lift, and engine speed. Verify the complete valvetrain combination with the engine builder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Ferrea F6330 listing include a complete engine set?\u003c\/strong\u003e\u003cbr\u003eThe quantity is the exact package stated in the product title. This listing says Set of 8, so confirm the number of intake and exhaust valves required for the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number F6330 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665380032591,"sku":"FERF6330","price":168.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-f20c-36mm-5_48mm-109_8mm-22-deg-s-flo-stock-6000-series-intake-valve-set-of-8-valves-ferrea.jpg?v=1703138912"},{"product_id":"ferrea-acura-honda-b18-b16-high-pressure-dual-spring-kit","title":"Ferrea Acura\/Honda B18\/B16 High Pressure Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4002, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4002\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eB18, B16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4002. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b18-b16-endurance-dual-spring-kit\"\u003eFerrea Acura\/Honda B18\/B16 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-high-lift-drag-racing-dual-spring-kit\"\u003eFerrea Acura K20 High Lift Drag Racing Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-acura-k20-k24z3-k24z7-dual-valve-spring-kit\"\u003eFerrea Honda\/Acura K20\/K24Z3\/K24Z7 Dual Valve Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4002 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4002 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4002?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4002 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665403166799,"sku":"FERKT4002","price":1041.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acurahonda-b18b16-high-pressure-dual-spring-kit-valve-springs-retainers-ferrea.png?v=1703138925"},{"product_id":"ferrea-acura-k20-drag-racing-dual-spring-kit","title":"Ferrea Acura K20 Drag Racing Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4004, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4004\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4004. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-high-lift-drag-racing-dual-spring-kit\"\u003eFerrea Acura K20 High Lift Drag Racing Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-endurance-dual-spring-kit\"\u003eFerrea Acura K20 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-acura-k20-k24z3-k24z7-dual-valve-spring-kit\"\u003eFerrea Honda\/Acura K20\/K24Z3\/K24Z7 Dual Valve Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4004 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4004 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4004?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4004 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665403232335,"sku":"FERKT4004","price":1041.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-drag-racing-dual-spring-kit-valve-springs-retainers-ferrea.jpg?v=1718209710"},{"product_id":"ferrea-honda-s2000-dual-spring-kit","title":"Ferrea Honda S2000 Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4011, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4011\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eS2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4011. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b18-b16-endurance-dual-spring-kit\"\u003eFerrea Acura\/Honda B18\/B16 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b18-b16-high-pressure-dual-spring-kit\"\u003eFerrea Acura\/Honda B18\/B16 High Pressure Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-honda-acura-k20-k24z3-k24z7-dual-valve-spring-kit\"\u003eFerrea Honda\/Acura K20\/K24Z3\/K24Z7 Dual Valve Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4011 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4011 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4011?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4011 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665403625551,"sku":"FERKT4011","price":1041.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-honda-s2000-dual-spring-kit-valve-springs-retainers-ferrea.png?v=1703138940"},{"product_id":"ferrea-nissan-gt-r-vr38dett-dual-spring-kit","title":"Ferrea Nissan GT-R VR38DETT Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4015, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4015\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eVR38DETT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4015. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-nissan-gt-r-vr38dett-single-spring-kit\"\u003eFerrea Nissan GT-R VR38DETT Single Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-01-06-bmw-s54-dual-spring-kit\"\u003eFerrea 01-06 BMW S54 Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-18-24-ford-coyote-5-0l-dual-valve-spring-kit\"\u003eFerrea 18-24 Ford Coyote 5.0L Dual Valve Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4015 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4015 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4015?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4015 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665403854927,"sku":"FERKT4015","price":1544.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-nissan-gt-r-vr38dett-dual-spring-kit-valve-springs-retainers-ferrea.png?v=1703138949"},{"product_id":"ferrea-subaru-wrx-sti-endurance-dual-spring-kit","title":"Ferrea Subaru WRX STI Endurance Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4020, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4020\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4020. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-endurance-dual-spring-kit\"\u003eFerrea Acura K20 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b18-b16-endurance-dual-spring-kit\"\u003eFerrea Acura\/Honda B18\/B16 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-01-06-bmw-s54-dual-spring-kit\"\u003eFerrea 01-06 BMW S54 Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4020 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4020 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4020?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4020 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665404051535,"sku":"FERKT4020","price":1064.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-subaru-wrx-sti-endurance-dual-spring-kit-valve-springs-retainers-ferrea.png?v=1703138955"},{"product_id":"ferrea-acura-k20-high-lift-drag-racing-dual-spring-kit","title":"Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit","description":"\u003cp\u003eThis Ferrea valve spring and retainer component is engineered for the engine or cylinder-head family identified in the product title. Correct selection depends on manufacturer part number KT4035, every listed dimension, intake or exhaust position, groove and seat design, material, package quantity, and the complete valvetrain combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFerrea valve spring and retainer component identified by manufacturer part number KT4035\u003c\/li\u003e\n\u003cli\u003eApplication-sensitive dimensions and interfaces must match the cylinder head\u003c\/li\u003e\n\u003cli\u003eDesigned for a coordinated valve, spring, retainer, lock, guide, seal, rocker, lifter, and camshaft combination\u003c\/li\u003e\n\u003cli\u003eNew component supplied in the exact package quantity stated in the listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Basis\u003c\/th\u003e\n\u003ctd\u003eExact engine family, cylinder head, dimensions, and mating valvetrain components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eConfirm the current Ferrea application notes and all measurements with the engine builder before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eKT4035\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eValve Springs, Retainers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment State\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine or Product Family\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Ferrea valve spring and retainer component package identified by manufacturer part number KT4035. Only the quantity and components expressly stated for this exact part number are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Ferrea\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Racing Components develops performance valvetrain parts for demanding street, racing, and engine-building applications. Correct results depend on exact component selection, measurement, machining, and assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Ferrea Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-drag-racing-dual-spring-kit\"\u003eFerrea Acura K20 Drag Racing Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-k20-endurance-dual-spring-kit\"\u003eFerrea Acura K20 Endurance Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ferrea-acura-honda-b18-b16-high-pressure-dual-spring-kit\"\u003eFerrea Acura\/Honda B18\/B16 High Pressure Dual Spring Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/collections\/ferrea\"\u003eFerrea collection\u003c\/a\u003e for additional valvetrain components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm Ferrea KT4035 is correct for my engine?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine and cylinder-head application, dimensions, material, position, mating components, and current Ferrea application notes. This valve spring and retainer component should not be selected by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Ferrea KT4035 work with my existing valvetrain parts?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete spring, retainer, lock, seal, guide, valve, rocker, lifter, camshaft, and installed-height combination. Measure and verify every mating component before assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked during installation of Ferrea KT4035?\u003c\/strong\u003e\u003cbr\u003eCheck cleanliness, dimensions, clearances, installed height, spring pressure, coil bind, retainer-to-seal clearance, valve-to-piston clearance, lubrication, and the engine builder's torque and break-in requirements as applicable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current Ferrea instructions for manufacturer part number KT4035 and the engine builder's specifications. Clean and measure every component, verify all running and installed clearances, use the specified lubricants and torque values, rotate the assembly by hand, and confirm valvetrain motion before startup. Professional machining and assembly are recommended.\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":39665404608591,"sku":"FERKT4035","price":1261.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-acura-k20-high-lift-drag-racing-dual-spring-kit-valve-springs-retainers-ferrea.jpg?v=1718209750"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/collections\/ferrea.jpg?v=1782252036","url":"https:\/\/www.blackopsautoworks.com\/collections\/ferrea.oembed?page=2","provider":"Black Ops Auto Works","version":"1.0","type":"link"}