{"product_id":"gsc-p-d-nissan-vq35-extreme-conical-valve-spring-titanium-retainer-and-spring-seat-kit","title":"GSC P-D Nissan VQ35 Extreme Conical Valve Spring Titanium Retainer and Spring Seat Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e5016\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Nissan VQ35 Extreme Conical Valve Spring Titanium Retainer and Spring Seat Kit 2003-2008 350Z 2003-2007 G35\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe GSC Power-Division Extreme Conical Valve Spring Titanium Retainer and Spring Seat Kit for Nissan VQ35DE non-Rev-Up and VQ35HR engines fits 2003-2008 Nissan 350Z and 2003-2007 Infiniti G35 models. This complete kit includes 24 dual conical springs, 24 titanium retainers, and 24 titanium spring seats to maintain valve control at extreme RPMs with 120 lbs seat pressure at 1.780 inches and 340 lbs open pressure at 0.480 inch lift. Build confidence for high-revving track use with reduced valvetrain weight and precise engineering.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Conical Springs:\u003c\/strong\u003e Progressive rate chromoly steel inner and outer springs reduce harmonics and support 10,000 RPM operation without float\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Retainers:\u003c\/strong\u003e Lightweight 10CP titanium Super Lock retainers at 10.2 grams each cut 432 grams total valvetrain mass versus OEM steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Spring Seats:\u003c\/strong\u003e Ti64A-4V seats provide durability and additional mass reduction for quicker revving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Pressure Ratings:\u003c\/strong\u003e 120 lbs combined seat load at 1.780 inches installed height and 340 lbs at 0.480 inch lift for firm valve action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Completeness:\u003c\/strong\u003e 24 inner springs (0.945 inch ID, 1.134 inch OD), 24 outer springs (1.200 inch ID, 1.496 inch OD), full set for VQ35 24-valve heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify installed spring height and valve lash after installation to ensure proper clearance\u003c\/li\u003e\n\u003cli\u003eSprings rated for coil bind at 1.150 inches with max loads over 1200 lbs per spring\u003c\/li\u003e\n\u003cli\u003eSpecial order item, confirm stock before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eMeasure stem height and check for Rev-Up engine exclusion before install\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or aftermarket valves and locks, no special hardware needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2008\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e350Z\u003c\/td\u003e\n\u003ctd\u003eVQ35DE \/ VQ35HR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2007\u003c\/td\u003e\n\u003ctd\u003eInfiniti\u003c\/td\u003e\n\u003ctd\u003eG35\u003c\/td\u003e\n\u003ctd\u003eCoupe \/ Sedan VQ35DE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2008\u003c\/td\u003e\n\u003ctd\u003eInfiniti\u003c\/td\u003e\n\u003ctd\u003eG35\u003c\/td\u003e\n\u003ctd\u003eCoupe VQ35HR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC Power-Division?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven valvetrain components trusted in drag racing and Super Street classes\u003c\/li\u003e\n\u003cli\u003eMade in USA with tight tolerances for consistent performance\u003c\/li\u003e\n\u003cli\u003eEngineered for durability under sustained high boost and RPM abuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit fit VQ35DE Rev-Up engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No, designed for non-Rev-Up VQ35DE and VQ35HR only, confirm your engine code\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the retainers and seats?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 10CP titanium retainers and Ti64A-4V titanium seats paired with chromoly steel springs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on these valve springs?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC offers a one-year warranty against manufacturing defects with proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Securely boxed 10 x 8 x 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.90 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":41279499370575,"sku":"GSC5016","price":845.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/13ff22f06ce806fb4663e052bfbfc6f7_559a3d35-1161-4b49-81ef-3ad9f461f896.jpg?v=1717522035","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-nissan-vq35-extreme-conical-valve-spring-titanium-retainer-and-spring-seat-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}