{"product_id":"gsc-p-d-toyota-1jz-manganese-bronze-exhaust-valve-guide-single","title":"GSC P-D Toyota 1JZ Manganese Bronze Exhaust Valve Guide - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3091\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Toyota 1JZ\/2JZ Manganese Bronze Exhaust Valve Guide - Single\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division Manganese Bronze Exhaust Valve Guide part 3091 is a single precision component for Toyota 1JZ-GTE and 2JZ-GTE engines found in JDM performance vehicles like Chaser Mark II Supra and Aristo. This guide replaces stock cast iron with manganese bronze for better heat transfer and wear resistance during high boost and RPM operation. Ideal for engine rebuilds pushing higher power levels.\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 Handles extreme exhaust heat and pressure with high thermal conductivity and anti-wear properties for long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Stem Clearance:\u003c\/strong\u003e 0.0015 inch to 0.0022 inch tolerance promotes smooth valve action reduces friction and prevents premature failure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide Dimensions:\u003c\/strong\u003e 1.496 inch length and 0.780 inch installed height ensure drop-in compatibility with factory heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve Specific:\u003c\/strong\u003e Matches 1JZ-GTE and 2JZ-GTE exhaust stem diameter of 0.236 inch for secure fit in turbocharged setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Packaging:\u003c\/strong\u003e Allows targeted replacement in custom valvetrain assemblies without buying full sets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as one guide for individual cylinder service\u003c\/li\u003e\n\u003cli\u003eReam to spec after press-in to achieve clearance\u003c\/li\u003e\n\u003cli\u003eSpecial order confirm stock before ordering\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\u003eCylinder head off engine use valve guide driver tool for press fit.\u003c\/li\u003e\n\u003cli\u003eWorks with OEM GSC or oversized exhaust valves same stem size.\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\u003e1990-1995\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eChaser\u003c\/td\u003e\n\u003ctd\u003eJZX90 Tourer V 1JZ-GTE\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 1JZ-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1996\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eCresta\u003c\/td\u003e\n\u003ctd\u003eJZX90 Tourer V 1JZ-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-2001\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eMark II\u003c\/td\u003e\n\u003ctd\u003eJZX90 JZX100 Tourer V 1JZ-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998-2001\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eProgres\u003c\/td\u003e\n\u003ctd\u003e1JZ-GTE\u003c\/td\u003e\n\u003c\/tr\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\u003eJZA80 2JZ-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-2000\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eSoarer\u003c\/td\u003e\n\u003ctd\u003eUZZ30 2JZ-GTE\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\u003eAristo\u003c\/td\u003e\n\u003ctd\u003eJZS147 JZS161 2JZ-GTE\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\u003eValvetrain specialist for JDM engines with race-proven designs\u003c\/li\u003e\n\u003cli\u003eMade in USA with CNC machining for tight tolerances\u003c\/li\u003e\n\u003cli\u003eSupports 1000hp plus builds in drag and circuit racing\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 Does this guide fit 2JZ-GTE Supra MK4?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes part 3091 fits 1993-2002 Toyota Supra JZA80 2JZ-GTE exhaust valves perfectly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Why manganese bronze over cast iron?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze resists galling better conducts heat faster and lasts longer under high exhaust gas temps in turbo engines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this myself?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Precision pressing and reaming needed professional machine shop advised for head work.\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 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 Protective small box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":41102042136655,"sku":"GSC3091","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/d6422417caf90601e77037ec239bbd71.jpg?v=1717522886","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-1jz-manganese-bronze-exhaust-valve-guide-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}