{"product_id":"brian-crower-valve-guides-5-5mm-mitsubishi-4b11t-hyundai-g4kf-exhaust-quantity-of-8","title":"Brian Crower Valve Guides - 5.5mm Mitsubishi 4B11T \/ Hyundai G4KF Exhaust (Quantity of 8)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eBC3915\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBrian Crower Valve Guides - 5.5mm Mitsubishi 4B11T 2008-2015 \/ Hyundai G4KF 2010-2014 Exhaust (Quantity of 8)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBrian Crower BC3915 valve guides deliver precise fitment for exhaust valves in Mitsubishi 4B11T engines from 2008-2015 Lancer Evolution X models and Hyundai G4KF engines in 2010-2014 Genesis Coupe 2.0T. These guides support high-performance rebuilds by maintaining tight valve stem clearances under extreme heat and RPM. A set of 8 covers all exhaust positions for complete cylinder head refresh.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManganese Bronze Construction:\u003c\/strong\u003e Resists wear and galling while providing excellent heat dissipation for sustained high-boost operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.5mm Inner Diameter:\u003c\/strong\u003e Matches OEM exhaust valve specs for 4B11T and G4KF ensuring proper stem alignment and sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 8 Pieces:\u003c\/strong\u003e Exact quantity needed for full exhaust valve coverage on compatible 4-cylinder heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Engineered to install into stock or ported heads without modifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-RPM Durability:\u003c\/strong\u003e Handles 8000+ RPM and 500+ whp builds common in Evo X and Genesis tuning scenes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExhaust side only, pair with BC3914 for intake guides\u003c\/li\u003e\n\u003cli\u003eInspect valve seats during installation for proper guide height\u003c\/li\u003e\n\u003cli\u003ePacked in protective tube to prevent damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRequires hydraulic valve guide press and pilot tools for accurate seating\u003c\/li\u003e\n\u003cli\u003eCompatible with multi-angle valve job machines and stock head castings\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003c\/td\u003e\n\u003ctd\u003eEvolution X (MR, GSR, Final Edition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2014\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eGenesis Coupe\u003c\/td\u003e\n\u003ctd\u003e2.0T (Base, Track)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Brian Crower?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in drag racing and time attack builds for 4B11T and G4KF platforms\u003c\/li\u003e\n\u003cli\u003eManufactured with tight tolerances from premium bronze alloys\u003c\/li\u003e\n\u003cli\u003eBacked by engineering focused on turbocharged 4-cylinder reliability\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 Will these fit 2007 or 2016 Evo X models?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Designed for 2008-2015 USDM 4B11T engines only, confirm your head casting matches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the guides made from?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze for optimal strength, lubricity, and thermal conductivity in performance applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is there a warranty on these valve guides?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Covered under Brian Crower defect policy for manufacturing issues, retain receipt for claims\u003c\/li\u003e\n\u003c\/ul\u003e\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 Secure OEM box 6 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.5 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":44452452270159,"sku":"BRCBC3915","price":81.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/brian-crower-valve-guides-5_5mm-mitsubishi-4b11t-hyundai-g4kf-exhaust-quantity-of-8-brian-crower.jpg?v=1770660304","url":"https:\/\/www.blackopsautoworks.com\/products\/brian-crower-valve-guides-5-5mm-mitsubishi-4b11t-hyundai-g4kf-exhaust-quantity-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}