{"product_id":"gsc-p-d-nissan-vr38dett-6-6mm-stem-manganese-bronze-exhaust-valve-guide-stopper-style-set-of-12","title":"GSC P-D Nissan VR38DETT 6.6mm Stem Manganese Bronze Exhaust Valve Guide Stopper Style - Set of 12","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3143-12\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Nissan VR38DETT 6.6mm Stem Manganese Bronze Exhaust Valve Guide Stopper Style - Set of 12 2009-2024 GT-R\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division exhaust valve guides deliver precise valve stem control for Nissan VR38DETT engines in 2009-2024 R35 GT-R models. Crafted from manganese bronze these stopper-style guides ensure minimal wear and consistent sealing under extreme boost and RPM. This set of 12 covers all exhaust valves for complete engine rebuilds or upgrades.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManganese Bronze Material:\u003c\/strong\u003e Provides excellent corrosion resistance and longevity in high-heat exhaust environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.6mm Stem Fit:\u003c\/strong\u003e Matches upgraded aftermarket exhaust valves for seamless integration in performance VR38DETT builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStopper Style Design:\u003c\/strong\u003e Locks guides securely in cylinder head preventing movement during aggressive valvetrain operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tolerances:\u003c\/strong\u003e Factory-machined to OEM specs ensuring straight valve paths and reduced oil consumption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set of 12:\u003c\/strong\u003e Equips one full V6 engine with exhaust-side guides ready for professional installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect cylinder head valve guide bores before installation for proper sizing\u003c\/li\u003e\n\u003cli\u003eLubricate guides with assembly lube during install to prevent scoring\u003c\/li\u003e\n\u003cli\u003eStore in original packaging away from moisture until use\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\u003eReam valve guide bores to 6.602-6.607mm ID for press-fit\u003c\/li\u003e\n\u003cli\u003eCompatible with standard GSC valve seals and 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\u003e2009-2024\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2024\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2024\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eNISMO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2024\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eTrack Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2024\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eT-spec\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\u003eTrusted by GT-R racers for valvetrain components in drag and circuit applications\u003c\/li\u003e\n\u003cli\u003eEngineered with input from professional Nissan tuners for real-world durability\u003c\/li\u003e\n\u003cli\u003eMade in USA with tight tolerances for repeatable performance results\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 these fit stock GT-R heads with oversized valves?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes designed for 6.6mm stem aftermarket exhaust valves in stock or ported VR38DETT heads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material makes these guides heat-resistant?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze alloy withstands exhaust gas temperatures over 1500°F without galling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is a warranty included?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC offers limited lifetime warranty against manufacturing defects with proof of 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 USPS Priority\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 6 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.65 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":42098316378191,"sku":"GSC3143-12","price":74.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/0bd97cf1a4647a0b43d8a693a42a595d.jpg?v=1724083845","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-nissan-vr38dett-6-6mm-stem-manganese-bronze-exhaust-valve-guide-stopper-style-set-of-12","provider":"Black Ops Auto Works","version":"1.0","type":"link"}