{"product_id":"supertech-toyota-supra-2jz-ge-2jz-gte-dual-valve-spring-set-of-17","title":"Supertech Toyota Supra 2JZ-GE\/2JZ-GTE Dual Valve Spring - Set of 16","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e SPR-TS1012-16\u003c\/div\u003e\n\n\u003cbr\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSupertech Dual Valve Springs (Set of 16) – High Performance\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eBlack Ops Auto Works is proud to offer the **Supertech Dual Valve Springs** as a premium upgrade for high-performance and racing engines. These dual valve springs are engineered to deliver excellent stability, valve control, and durability under high RPM and aggressive cam profiles. Supertech is widely regarded as one of the top manufacturers of performance valve train components, making these springs a trusted choice for both naturally aspirated and boosted engine builds.\n\nThis complete set includes 16 dual valve springs, making it ideal for most 4-cylinder engines.\n\n\u003c\/p\u003e\n\n\u003ch4\u003eWhy Choose Supertech Dual Valve Springs from Black Ops Auto Works?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh RPM Stability\u003c\/strong\u003e – Designed to maintain proper valve control at elevated engine speeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Durability\u003c\/strong\u003e – Manufactured from premium chrome silicon vanadium alloy for superior fatigue resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Performance\u003c\/strong\u003e – Tight tolerances ensure reliable spring pressure across the entire set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Performance Builds\u003c\/strong\u003e – Perfect for high-RPM and boosted applications running aggressive camshafts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupertech Quality\u003c\/strong\u003e – Trusted by professional engine builders and racers worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Spring Design\u003c\/strong\u003e – Improves stability and harmonic control for better valve train performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.60 lbs\/mm Spring Rate\u003c\/strong\u003e – Provides optimal valve control under high RPM and boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42mm Free Length\u003c\/strong\u003e – Allows proper installed height tuning for various cylinder head setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20.70mm Coil Bind Height\u003c\/strong\u003e – Supports high-lift camshaft compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNested Spring Geometry\u003c\/strong\u003e – Correct fitment with 20.00mm outer spring ID, 20.00mm inner spring OD, and 15.20mm inner spring ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Chrome Silicon Vanadium Alloy\u003c\/strong\u003e – Delivers extreme durability and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSupertech Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSPR-TS1012-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDual Valve Springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate\u003c\/td\u003e\n\u003ctd\u003e9.60 lbs\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree Length\u003c\/td\u003e\n\u003ctd\u003e42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Bind Height\u003c\/td\u003e\n\u003ctd\u003e20.70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Spring ID\u003c\/td\u003e\n\u003ctd\u003e20.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Spring OD\u003c\/td\u003e\n\u003ctd\u003e20.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Spring ID\u003c\/td\u003e\n\u003ctd\u003e15.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePremium Chrome Silicon Vanadium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eSupertech Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e16 x Supertech Dual Valve Springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a set of **dual valve springs only** (retainers and keepers sold separately)\u003c\/li\u003e\n\u003cli\u003eProfessional engine building and proper valve spring installation is strongly recommended\u003c\/li\u003e\n\u003cli\u003eAlways verify spring pressures and installed heights match your camshaft and cylinder head specifications\u003c\/li\u003e\n\u003cli\u003eCommonly used in high-performance Honda, Toyota, and other 4-cylinder engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Performance 4-Cylinder Engines\u003c\/td\u003e\n\u003ctd\u003eCommonly used in Honda K-series, B-series, and other performance engines. Verify compatibility with your specific cylinder head and camshaft combination.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Supertech through Black Ops Auto Works?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBlack Ops Auto Works is your trusted source for premium Supertech Performance parts\u003c\/li\u003e\n\u003cli\u003eSupertech valve springs are known for their quality, consistency, and performance in high-RPM applications\u003c\/li\u003e\n\u003cli\u003eExpert support and fast shipping for your engine build\u003c\/li\u003e\n\u003cli\u003eBacked by Supertech’s reputation as a leader in performance valve train components\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 How many springs are included?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e This is a complete set of 16 dual valve springs.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need new retainers and keepers?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Valve springs, retainers, and keepers are typically replaced together during a valve spring upgrade.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Are these good for boosted applications?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Supertech dual valve springs are commonly used in both naturally aspirated and boosted high-performance engines.\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 Ground\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 Secure Supertech packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":45907662340175,"sku":"SPTSPR-TS1012-16","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-spr-ts1012-16-2jz-dual-valve-spring-set.png?v=1781814785","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-toyota-supra-2jz-ge-2jz-gte-dual-valve-spring-set-of-17","provider":"Black Ops Auto Works","version":"1.0","type":"link"}