{"product_id":"gsc-p-d-toyota-2jz-manganese-bronze-exhaust-valve-guide-001in-oversize-od-single","title":"GSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3031.001-1\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Toyota 2JZ-GE\/GTE Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single (1991-2005)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEquip your Toyota 2JZ engine with the GSC Power-Division Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single for reliable performance in high-revving builds. Designed for 86mm bore cylinder heads on 2JZ-GE and 2JZ-GTE engines in vehicles like the Toyota Supra Lexus GS300 and IS300 this guide corrects minor bore wear to maintain tight valve stem clearances. Manganese bronze material delivers lasting durability under extreme heat and pressure.\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 high wear resistance thermal conductivity and strength ideal for exhaust side demands in boosted 2JZ applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+0.001in Oversize OD:\u003c\/strong\u003e 0.513in outer diameter fits heads with 0.001-0.002in bore enlargement restoring precise guide alignment without machining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust-Specific Design:\u003c\/strong\u003e Matches 2JZ exhaust valve stem 7.97mm ID with 0.3145in\/+0.0005in tolerance for perfect sealing and flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC Machined:\u003c\/strong\u003e Ensures consistent fitment length of 1.535in and tight tolerances for race-level reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Guide Packaging:\u003c\/strong\u003e Allows exact replacement needs pairs with GSC valves for complete valvetrain upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually full set of 8 is part 3031.001-8\u003c\/li\u003e\n\u003cli\u003eInspect cylinder head guide bores with calipers before install to confirm oversize need\u003c\/li\u003e\n\u003cli\u003eProtects packaging prevents damage during shipping\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\u003eFreeze guides and heat head to 350F for press fit or use valve guide driver tool\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or GSC valve seats no additional hardware 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\u003e1993-1998\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\u003e1998-2005\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS300\u003c\/td\u003e\n\u003ctd\u003eAll\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\u003eAll\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\u003eAristo\u003c\/td\u003e\n\u003ctd\u003e2JZ-GE 2JZ-GTE\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\u003eGrande 2JZ-GE\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\u003eChaser\u003c\/td\u003e\n\u003ctd\u003e2JZ-GE Tourer\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 drag racing and drift with thousands of 2JZ builds worldwide\u003c\/li\u003e\n\u003cli\u003eUSA manufactured to exacting standards for consistent performance\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for high boost RPM valvetrain durability\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 fit my MK4 Supra 2JZ-GTE head?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits all 86mm bore 2JZ-GTE heads including Supra Aristo and Soarer verify bore size first\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 wear better conducts heat faster and handles high exhaust temperatures without galling valve stems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install tip?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against manufacturing defects install with proper tools to avoid damage\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 USPS First Class or 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 Individual protective sleeve in small box 4x3x1in\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":40726101852239,"sku":"GSC3031.001-1","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-toyota-2jz-manganese-bronze-exhaust-valve-guide-_001in-oversize-od-single-valve-guides-gsc-power-division.jpg?v=1716482939","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-2jz-manganese-bronze-exhaust-valve-guide-001in-oversize-od-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}