{"product_id":"gsc-p-d-toyota-supra-bmw-z4-b58-beehive-valve-spring-and-ti-retainer-kit","title":"GSC P-D Toyota Supra\/BMW Z4 B58 Beehive Valve Spring and Ti Retainer Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e5091\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D 2019+ Toyota Supra BMW Z4 B58 Beehive Valve Spring and Ti Retainer Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEnhance your B58 engine's valvetrain with the GSC P-D Beehive Valve Spring and Titanium Retainer Kit designed for 2019+ Toyota GR Supra and BMW Z4 models. This kit includes 24 beehive valve springs and 24 titanium 10-degree retainers to handle extreme RPMs up to 10,200 while maintaining precise control. Perfect for tuned engines with aggressive cams it reduces mass and prevents valve float for reliable power gains.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeehive Spring Design:\u003c\/strong\u003e Progressive dual beehive shape cuts weight by 20% over traditional springs minimizes harmonics and boosts high RPM durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium 10° Retainers:\u003c\/strong\u003e Forged titanium construction weighs just 4 grams each offers strength without added mass for faster valve action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Pressures:\u003c\/strong\u003e 118 lbs seat pressure at 1.740 in 280 lbs open pressure at 0.960 in with 0.430 in max lift supports big cam profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Bind Protection:\u003c\/strong\u003e Secure bind height at 0.950 in prevents damage during extreme valve lift and high boost applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Kit Contents:\u003c\/strong\u003e 24 springs + 24 retainers match-engineered for B58 heads drop-in ready with stock keepers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify valve stem heights after installation to ensure proper geometry\u003c\/li\u003e\n\u003cli\u003eSprings made from premium high-tensile steel retainers from aerospace-grade titanium\u003c\/li\u003e\n\u003cli\u003eSecure packaging protects components 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\u003eUse a dedicated B58 valve spring compressor tool for safe removal and install\u003c\/li\u003e\n\u003cli\u003eCompatible with stock BMW Toyota B58 cylinder heads no machining required\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\u003e2020-2024\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003e3.0 3.0 Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4\u003c\/td\u003e\n\u003ctd\u003esDrive30i M40i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2020\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e340i\u003c\/td\u003e\n\u003ctd\u003exDrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e440i\u003c\/td\u003e\n\u003ctd\u003eGran Coupe xDrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM240i\u003c\/td\u003e\n\u003ctd\u003exDrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC P-D?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in professional drag racing and time attack builds worldwide\u003c\/li\u003e\n\u003cli\u003eCNC-machined components ensure perfect tolerances and repeatability\u003c\/li\u003e\n\u003cli\u003eEngineered in the USA with real-world dyno testing for B58 platforms\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 Will this kit fit TU2 updated B58 engines in newer Supra Z4 models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits both TU1 and TU2 B58 variants including 2021+ Supra and Z4 with no modifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the springs and retainers?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Beehive springs from chrome-silicon high-tensile steel retainers from forged titanium for lightweight strength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC P-D offers a limited lifetime warranty on defects proper install requires checking installed heights and lash\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 Standard ground shipping\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 Foam protected box 12 x 8 x 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.95 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":40629833171023,"sku":"GSC5091","price":595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-toyota-suprabmw-z4-b58-beehive-valve-spring-and-ti-retainer-kit-valve-springs-retainers-gsc-power-division.png?v=1717522600","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-supra-bmw-z4-b58-beehive-valve-spring-and-ti-retainer-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}