{"product_id":"gsc-p-d-mitsubishi-4b11t-21-4n-chrome-polished-intake-valve-35mm-head-std-single","title":"GSC P-D Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2022-01\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - Single for 2008-2015 Lancer Evolution X, Ralliart \u0026amp; 2010-2014 Genesis Coupe\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division single chrome polished intake valve uses 21-4N stainless steel for Mitsubishi 4B11T engines in 2008-2015 Lancer Evolution X, Ralliart and 2010-2014 Hyundai Genesis Coupe 2.0T. Built for high boost and RPM in turbo setups, it boosts airflow with exact machining. Drop-in design fits stock valvetrain while handling extreme conditions for reliable power gains.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e21-4N Stainless Steel Construction:\u003c\/strong\u003e High-nickel alloy resists fatigue and holds strength at temperatures to 1600°F for sustained turbo performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Polished Finish:\u003c\/strong\u003e Swirl polished stem cuts friction, improves heat transfer and prolongs valve guide wear for dependable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35mm Standard Head Diameter:\u003c\/strong\u003e 35.00mm head, 5.95mm stem, 107.90mm length matches OEM for direct install with better airflow dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Forged Design:\u003c\/strong\u003e Forged construction avoids multi-piece failures, works with high lift cams and stiff valve springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e CNC tolerances deliver tight seating, leak-free seal and minimal bounce at peak RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually. Order four for full intake valve replacement.\u003c\/li\u003e\n\u003cli\u003eCheck valve guides and seats before install for tight seal.\u003c\/li\u003e\n\u003cli\u003eShipped in protective foam sleeve to avoid transit damage.\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\u003eValve stem to guide clearance 0.020-0.060mm. Lap valves if required for seal.\u003c\/li\u003e\n\u003cli\u003eWorks with stock retainers and springs. Use GSC springs for high RPM builds.\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\u003c\/td\u003e\n\u003ctd\u003eEvolution X MR\u003c\/td\u003e\n\u003c\/tr\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 GSR\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\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\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 Premium\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 R-Spec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eGenesis Coupe\u003c\/td\u003e\n\u003ctd\u003e2.0T Track\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\u003eTrack tested in pro racing with dyno hours backing durability.\u003c\/li\u003e\n\u003cli\u003eBuilt to aerospace standards for defect-free reliability.\u003c\/li\u003e\n\u003cli\u003eData driven for 4B11T engines with exact fitment specs.\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 Does this valve fit 2008-2015 Mitsubishi Lancer Evolution X MR?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for all 4B11T Evo X models including MR, GSR from 2008-2015 plus listed Ralliart.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used and why chrome polished?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Forged 21-4N stainless steel for heat resistance. Chrome polish on stem reduces wear and holds oil for longer life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation advice?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty on defects. Pro install checks clearances and follows break-in procedure.\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 Protective foam sleeve in 6x4x1 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs (including packaging)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43824773660751,"sku":"GSC2022-01","price":22.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-mitsubishi-4b11t-21-4n-chrome-polished-intake-valve-35mm-head-std-single-gsc-power-division.jpg?v=1767420740","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-mitsubishi-4b11t-21-4n-chrome-polished-intake-valve-35mm-head-std-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}