{"product_id":"gsc-p-d-nissan-vq35-high-pressure-conical-valve-spring-titanium-retainer-and-spring-seat-kit","title":"GSC P-D Nissan VQ35 High Pressure Conical Valve Spring Titanium Retainer and Spring Seat Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e5015\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Nissan VQ35 High Pressure Conical Valve Spring Titanium Retainer and Spring Seat Kit 2003-2008 350Z 2003-2007 G35\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEquip your Nissan VQ35DE or VQ35HR engine with the GSC Power-Division high pressure conical valve spring kit including titanium retainers and spring seats. This complete set fits 2003-2008 Nissan 350Z and 2003-2007 Infiniti G35 models providing stable valve motion up to 10,000 RPM. Reduce valvetrain mass and improve high lift durability for track or street performance.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Pressure Ratings:\u003c\/strong\u003e Seat pressure 180 lbs at 1.850 inch open pressure 480 lbs at 1.100 inch supports aggressive cams and high RPM operation without float\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Retainers TR-100:\u003c\/strong\u003e Lightweight at 10 grams each versus steel reduces rotating mass for quicker revving and less stress on components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Spring Seats SS-100:\u003c\/strong\u003e Precision machined to eliminate wear and provide secure seating for consistent spring performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConical Beehive Design:\u003c\/strong\u003e Progressive 5.75 4.75 3.75 coils with 1.220 inch to 0.780 inch diameters minimize harmonics and surge for smoother action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Seven Plus Material:\u003c\/strong\u003e High tensile chromoly steel springs with 195 lb\/in rate coil bind at 0.660 inch and 0.460 inch max lift ensure durability under boost or NA builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete kit includes 24 springs 24 titanium retainers and 24 titanium seats for full VQ35 cylinder head coverage\u003c\/li\u003e\n\u003cli\u003eInspect valve seals and locks during install to match GSC components\u003c\/li\u003e\n\u003cli\u003ePackaged in foam inserts to protect springs during transit\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 installed height to achieve target pressures verify 1.850 inch seat height\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM valves and GSC locks use assembly lube on springs\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC Power-Division?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in drag racing and endurance events worldwide\u003c\/li\u003e\n\u003cli\u003eMade in USA with exact tolerances for Nissan engines\u003c\/li\u003e\n\u003cli\u003eDyno and flow tested for real world valvetrain reliability\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 both VQ35DE and VQ35HR engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct fit for 2003-2008 350Z VQ35DE\/HR and 2003-2007 G35 VQ35DE no modifications needed\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 Aerospace grade titanium for retainers TR-100 and seats SS-100 offers strength to weight ratio over 3x better than steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and return policy?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against spring failure when installed correctly no returns on opened kits due to sanitary reasons\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 USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Special order ships within 3-5 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Foam protected box 8 x 6 x 4 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":41279499206735,"sku":"GSC5015","price":778.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/13ff22f06ce806fb4663e052bfbfc6f7_2d067991-7e99-4bc2-8f21-554371fb0d6b.jpg?v=1717522056","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-nissan-vq35-high-pressure-conical-valve-spring-titanium-retainer-and-spring-seat-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}