{"product_id":"gsc-p-d-4b11t-manganese-bronze-exhaust-valve-guide-set-8","title":"GSC P-D 4B11T Manganese Bronze Exhaust Valve Guide - Set 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3011-8\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e GSC3011-8\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D 4B11T Manganese Bronze Exhaust Valve Guide - Set 8 for 2008-2015 Mitsubishi Lancer Evolution X \u0026amp; Ralliart\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division manganese bronze exhaust valve guides come as a set of 8 for the 4B11T engine in 2008-2015 Mitsubishi Lancer Evolution X and 2009-2015 Lancer Ralliart models. These guides ensure reliable valve stem alignment and sealing under high exhaust temperatures from turbocharging. Ideal for engine rebuilds or performance upgrades needing consistent operation at high RPM.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManganese Bronze Construction:\u003c\/strong\u003e Resists wear from hot exhaust gases and provides effective heat transfer to maintain valve stability in boosted 4B11T applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dimensions:\u003c\/strong\u003e Inner diameter 8mm outer diameter 13mm length 47.5mm matches factory 4B11T cylinder head specs for drop-in installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set of 8:\u003c\/strong\u003e Covers all exhaust valves for full cylinder head refresh without mismatched parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh RPM Durability:\u003c\/strong\u003e Engineered to handle extreme boost levels and sustained high revs common in Evo X drag or track setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Bead Blast Finish:\u003c\/strong\u003e Reduces friction for smoother valve action and longer seal life during break-in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with new valve seals for optimal oil control during installation\u003c\/li\u003e\n\u003cli\u003eInspect cylinder head for wear before guide replacement\u003c\/li\u003e\n\u003cli\u003ePackages securely to prevent damage in 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\u003eUse GSC valve guide driver tool or equivalent for even pressing into aluminum head\u003c\/li\u003e\n\u003cli\u003eCompatible with stock 4B11T heads and most aftermarket ported heads no machining 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\u003e2008-2015\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eGSR MR SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2015\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer\u003c\/td\u003e\n\u003ctd\u003eRalliart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2011\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer\u003c\/td\u003e\n\u003ctd\u003eRalliart Sportback\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 professional racing with Evo teams worldwide\u003c\/li\u003e\n\u003cli\u003eManufactured to exacting tolerances in the USA\u003c\/li\u003e\n\u003cli\u003eFocus on valvetrain reliability for 4B11T performance builds\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 my 2008-2015 Evo X GSR?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct fit for all 4B11T-equipped Lancer Evolution X models including GSR MR and SE trims\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Why manganese bronze for exhaust guides only?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze excels at dissipating exhaust heat up to 1000F while resisting galling on exhaust valve stems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on these guides?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC offers a one-year limited warranty against manufacturing defects contact support for claims\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\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 Compact protective box 5in x 3in x 1in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43821075333199,"sku":"GSC3011-8","price":49.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-4b11t-manganese-bronze-exhaust-valve-guide-set-8-gsc-power-division.jpg?v=1767420166","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-4b11t-manganese-bronze-exhaust-valve-guide-set-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}