{"product_id":"gsc-p-d-toyota-2jz-manganese-bronze-intake-valve-guide-stopper-style-set-of-12","title":"GSC P-D Toyota 2JZ Manganese Bronze Intake Valve Guide Stopper Style - Set of 12","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3142-12\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Toyota 2JZ (1991-2005) Manganese Bronze Intake Valve Guide Stopper Style - Set of 12\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division manganese bronze intake valve guides in stopper style deliver reliable valvetrain performance for Toyota 2JZ-GE and 2JZ-GTE engines. This set of 12 fits DOHC cylinder heads in models like Supra GS300 SC300 IS300 and Aristo with precise OEM replacement sizing. Engine builders choose them for extended guide life under high heat boost and RPM in modified setups.\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 Resists wear and galling while dissipating heat faster than OEM phosphor bronze for sustained performance in turbocharged 2JZ builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStopper Style Design:\u003c\/strong\u003e Built-in flange sets exact installation depth to avoid sinking into aluminum heads during press-in process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e Tight tolerances match 2JZ intake valve stems 7.98mm for smooth operation and reduced oil consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Intake Set:\u003c\/strong\u003e 12 guides cover all intake positions on inline-6 DOHC head simplifying full valvetrain refresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit Replacement:\u003c\/strong\u003e Bolts into stock or ported 2JZ heads without modifications for quick rebuilds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIntake guides only. pair with GSC 3143-12 exhaust guides for full set.\u003c\/li\u003e\n\u003cli\u003eInspect head guide bores for wear before installation.\u003c\/li\u003e\n\u003cli\u003eShips in protective foam-lined box to prevent 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\u003eRequires valve guide driver tool and freeze-fit method on head at -100F or lower.\u003c\/li\u003e\n\u003cli\u003eCompatible with stock Toyota heads and GSC performance valves.\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\u003e1993-2002\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eSupra\u003c\/td\u003e\n\u003ctd\u003eBase \/ Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-2005\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-2001\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eSC300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2005\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eIS300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-2005\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eAristo\u003c\/td\u003e\n\u003ctd\u003e2.5GT \/ 3.0G \/ 3.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2001\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eChaser\u003c\/td\u003e\n\u003ctd\u003eJZX100 Tourer V \/ 3000GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2004\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eMark II\u003c\/td\u003e\n\u003ctd\u003eJZX100 \/ JZX110 3000GT\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 1000hp 2JZ drag cars and endurance racing.\u003c\/li\u003e\n\u003cli\u003eManufactured with aerospace-grade CNC equipment.\u003c\/li\u003e\n\u003cli\u003eEvery set tested for dimensional accuracy.\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 VVTi 2JZ-GTE heads?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits all 2JZ-GE non-VVTi VVTi and 2JZ-GTE heads from 1991-2005 with identical guide bore specs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How does manganese bronze compare to OEM?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze offers higher strength and better heat transfer reducing valve guide wear in high-performance applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC provides limited lifetime warranty on manufacturing defects when installed by certified shop.\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\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-lined cardboard box 5 x 3 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":42117046370383,"sku":"GSC3142-12","price":74.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/e6e058edf2fdd4f6e82b879c1c1e39aa.jpg?v=1724681330","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-2jz-manganese-bronze-intake-valve-guide-stopper-style-set-of-12","provider":"Black Ops Auto Works","version":"1.0","type":"link"}