{"product_id":"ferrea-acura-k20-endurance-dual-spring-kit","title":"Ferrea Acura K20 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 KT4003, 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 KT4003\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\u003eKT4003\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 KT4003. 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=\"\/en-ca\/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=\"\/en-ca\/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=\"\/en-ca\/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\u003c\/ul\u003e\u003cp\u003eBrowse the \u003ca href=\"\/en-ca\/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 KT4003 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 KT4003 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 KT4003?\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 KT4003 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":41623445766223,"sku":"FERKT4003","price":1064.02,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-ferkt4003-valve-springs-retainers-image-01.png?v=1788594892","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/ferrea-acura-k20-endurance-dual-spring-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}