{"product_id":"ferrea-toyota-supra-3-0l-b58-turbo-6-0mm-valve-stem-titanium-retainers-set-of-12","title":"Ferrea Toyota Supra 3.0L B58 Turbo 6.0mm Valve Stem Titanium Retainers - Set of 12","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eE11146\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFerrea Toyota Supra 2020+ 3.0L B58 Turbo 6.0mm Valve Stem Titanium Retainers - Set of 12\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eFerrea titanium retainers upgrade the valvetrain on 2020+ Toyota GR Supra 3.0L B58 turbo engines. These lightweight components fit 6.0mm valve stems and pair with high-performance springs for sustained high RPM operation. Engineered to cut rotating mass this set of 12 supports aggressive cam profiles and turbocharged power.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Alloy Build:\u003c\/strong\u003e 6AL-4V titanium construction weighs 4.2 grams per retainer slashing valvetrain inertia by 40 percent over steel for quicker valve response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.0mm Stem Fit:\u003c\/strong\u003e Direct match for B58 intake and exhaust valves ensuring secure spring retention under boost pressures exceeding 25 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFEA-Optimized Design:\u003c\/strong\u003e Finite element analysis tested to handle 10,000 plus RPM with zero flex or fatigue in racing conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC Machining:\u003c\/strong\u003e Tight tolerances under 0.0005 inches guarantee drop-in installation with OEM or aftermarket locks and seats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 12 Coverage:\u003c\/strong\u003e Provides retainers for 12 valves ideal for staged upgrades on inline-6 B58 or full swap with matching Ferrea springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with Ferrea valve springs and 6.0mm locks for complete valvetrain refresh\u003c\/li\u003e\n\u003cli\u003eInspect springs for proper seat height during assembly to avoid coil bind\u003c\/li\u003e\n\u003cli\u003ePackaged in anti-corrosion foam insert to prevent shipping damage\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 B58-specific valve spring compressor tool for safe removal and install\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM valve locks and Ferrea spring seats no modifications 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\u003e2020-2025\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003e3.0L Turbo B58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2025\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003e3.0 Premium Turbo B58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Ferrea?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e50 plus years crafting valvetrain parts for Formula drift and NHRA teams\u003c\/li\u003e\n\u003cli\u003eEvery retainer dyno tested for fatigue resistance beyond OEM limits\u003c\/li\u003e\n\u003cli\u003eUSA manufactured with aerospace forgings for consistent valvetrain control\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 E11146 fit my 2022 Toyota GR Supra 3.0 B58 engine?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct bolt-on for all 2020-2025 GR Supra 3.0L turbo models with 6.0mm stems no machining required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What titanium grade is used in these retainers?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Grade 5 6AL-4V titanium alloy heat treated to 36 Rockwell C for strength and ductility under extreme boost\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers Ferrea retainers?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against defects in materials or workmanship when installed by certified mechanic\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 Special order ships within 3-5 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e 6 x 4 x 2 inch box with foam protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":43518482448463,"sku":"FERE11146","price":258.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ferrea-toyota-supra-3_0l-b58-turbo-6_0mm-valve-stem-titanium-retainers-set-of-12-ferrea.jpg?v=1769112642","url":"https:\/\/www.blackopsautoworks.com\/products\/ferrea-toyota-supra-3-0l-b58-turbo-6-0mm-valve-stem-titanium-retainers-set-of-12","provider":"Black Ops Auto Works","version":"1.0","type":"link"}