{"product_id":"gsc-p-d-subaru-ej205-ej207-ej259-manganese-bronze-intake-valve-guide-stopper-style-single","title":"GSC P-D Subaru EJ205\/EJ207\/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3026\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Subaru EJ205\/EJ207\/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single 2002-2007 Impreza WRX STI\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEngineered for Subaru EJ205 EJ207 EJ259 turbo engines in 2002-2007 Impreza WRX and STI models this GSC Power-Division manganese bronze intake valve guide stopper style single ensures secure valve stem alignment and heat dissipation during aggressive driving. Its robust construction handles elevated boost pressures and RPMs common in performance builds while maintaining precise valve sealing. Ideal for engine rebuilds or upgrades seeking dependable valvetrain integrity.\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 strong thermal conductivity and abrasion resistance to endure prolonged high-temperature operation in turbocharged EJ engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStopper Style Design:\u003c\/strong\u003e Features integrated flange to lock guide position preventing migration under valve spring pressure and extreme loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Tolerances:\u003c\/strong\u003e Matches OEM specifications with enhanced fit for reduced guide wear and improved oil control at the valve stem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Guide Format:\u003c\/strong\u003e Enables straightforward replacement of individual worn intake guides without full set purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance Validation:\u003c\/strong\u003e Tested in competitive Subaru drag and rally applications for consistent reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually for targeted intake valve service\u003c\/li\u003e\n\u003cli\u003eVerify guide bore diameter before install for optimal press fit\u003c\/li\u003e\n\u003cli\u003ePackaged in protective sleeve for safe transit\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\u003eHone valve guide bores to 0.315 inch diameter if needed for precise seating\u003c\/li\u003e\n\u003cli\u003eCompatible with GSC valve seats springs and retainers 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\u003e2002-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eForester\u003c\/td\u003e\n\u003ctd\u003eSTI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2009\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eGT Spec B\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\u003eSpecializes in Subaru valvetrain parts with direct racer feedback\u003c\/li\u003e\n\u003cli\u003eManufactures components for street and track dominance\u003c\/li\u003e\n\u003cli\u003eEmploys CNC machining for exact dimensions and balance\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 2004-2007 USDM EJ257 STI engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes compatible with EJ257 intake positions matching EJ205 EJ207 EJ259 guide specs for WRX STI builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How does manganese bronze compare to OEM guides?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze resists wear better than stock phosphor bronze with higher heat tolerance for boosted setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What tools are needed for installation?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Valve guide driver puller and micrometer recommended alongside cylinder head disassembly\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 Mail\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 plastic tube inside padded mailer 3 x 3 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.07 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":39735842144335,"sku":"GSC3026","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-subaru-ej205ej207ej259-manganese-bronze-intake-valve-guide-stopper-style-single-valve-guides-gsc-power-division.jpg?v=1717522981","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-subaru-ej205-ej207-ej259-manganese-bronze-intake-valve-guide-stopper-style-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}