{"product_id":"gsc-p-d-toyota-2jz-001in-oversize-od-manganese-bronze-exhaust-valve-guide-stopper-style-single","title":"GSC P-D Toyota 2JZ +.001in Oversize OD Manganese Bronze Exhaust Valve Guide Stopper Style - Single","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3145.001-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan itemprop=\"sku\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Manganese Bronze +0.001\" Oversize OD Exhaust Valve Guide (Stopper Style) - Single for Toyota 2JZ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eGSC 3145.001-1\u003c\/strong\u003e is a single premium manganese bronze exhaust valve guide with +0.001\" oversize outer diameter and stopper-style flange. Designed specifically for the legendary Toyota 2JZ-GE and 2JZ-GTE engines, these guides offer superior heat dissipation, reduced wear, and improved valve stem lubrication compared to factory cast iron guides. The stopper-style design ensures precise installation depth without additional machining. Ideal for high-boost turbo builds, street performance, or any 2JZ head that has been machined or shows guide wear.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eManganese Bronze Alloy: Superior heat transfer and wear resistance\u003c\/li\u003e\n\u003cli\u003e+0.001\" Oversize OD: Perfect for slightly worn or lightly machined heads\u003c\/li\u003e\n\u003cli\u003eStopper-Style Flange: Ensures exact installation depth every time\u003c\/li\u003e\n\u003cli\u003ePrecision Machined: Exact tolerances for optimal valve stem clearance\u003c\/li\u003e\n\u003cli\u003eExhaust Specific: Engineered for high-temperature turbo applications\u003c\/li\u003e\n\u003cli\u003eSingle Guide: Sold individually for custom or partial rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3145.001-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGSC Power-Division\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eManganese Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eStopper Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOD Size\u003c\/td\u003e\n\u003ctd\u003e+0.001\" Oversize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSingle Guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eToyota 2JZ-GE \/ 2JZ-GTE (all years)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime (GSC Power-Division)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 2 to 4 ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOne GSC Manganese Bronze +0.001\" Oversize Exhaust Valve Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for stock exhaust guides on all 2JZ engines\u003c\/li\u003e\n\u003cli\u003e+0.001\" oversize OD ideal for heads with minor bore wear or light machining\u003c\/li\u003e\n\u003cli\u003eStopper style ensures consistent installed height\u003c\/li\u003e\n\u003cli\u003ePair with GSC valve springs, retainers, and titanium valves for complete valvetrain upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated time: 4 to 8 hours (head removal required)\u003c\/li\u003e\n\u003cli\u003eProfessional cylinder head work recommended\u003c\/li\u003e\n\u003cli\u003eGuides must be installed with proper interference fit and honed to valve stem clearance\u003c\/li\u003e\n\u003cli\u003eValve job and head resurfacing recommended during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eSupra \/ SC300 \/ GS300 \/ IS300\u003c\/td\u003e\n\u003ctd\u003e2JZ-GE \/ 2JZ-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose GSC Power-Division Valve Guides?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePremium manganese bronze for maximum heat dissipation and durability\u003c\/li\u003e\n\u003cli\u003eSpecifically engineered for high-boost 2JZ turbo applications\u003c\/li\u003e\n\u003cli\u003e+0.001\" oversize OD and stopper style for perfect fitment\u003c\/li\u003e\n\u003cli\u003eGSC quality trusted by professional engine builders worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\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 Is this an intake or exhaust guide? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is an exhaust valve guide only. Intake guides are available under a different GSC part number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the guide after installation? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, professional installation with proper valve guide honing to achieve correct stem-to-guide clearance is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Covered by GSC Power-Division limited lifetime warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping and Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS \/ FedEx 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 Secure protective packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 2 to 4 ounces\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":44536827281487,"sku":"GSC3145.001-1","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-3145-001-1-valve-guide.png?v=1772568590","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-2jz-001in-oversize-od-manganese-bronze-exhaust-valve-guide-stopper-style-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}