{"product_id":"gsc-p-d-4b11t-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8","title":"GSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2022-8\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8 for 2008-2016 Mitsubishi Lancer Evolution X\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEquip your 2008-2016 Mitsubishi Lancer Evolution X with this set of 8 GSC Power-Division intake valves designed for the 4B11T engine. Made from 21-4N stainless steel with chrome polished stems, these 35mm standard head valves handle high boost and RPM demands. They provide consistent sealing and flow for track or street use.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e21-4N Stainless Steel:\u003c\/strong\u003e One-piece forged material resists fatigue and maintains strength at elevated exhaust gas temperatures up to 1600°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Polished Stems:\u003c\/strong\u003e 5.96mm diameter stems reduce guide wear and improve oil film retention for longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35mm Head Diameter (STD):\u003c\/strong\u003e Matches factory specs at 35.00mm with 102.98mm overall length for drop-in compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Finishing:\u003c\/strong\u003e Bead blasted face, swirl polished backs, and micro polished margins enhance airflow and seat sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set of 8:\u003c\/strong\u003e Full intake valve kit covers all cylinders for comprehensive valvetrain refresh.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect valve guides and seats before installation for proper clearance.\u003c\/li\u003e\n\u003cli\u003eSet valve lash to manufacturer specs after install for optimal operation.\u003c\/li\u003e\n\u003cli\u003ePackaged in protective foam-lined box 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\u003eMeasure installed height to confirm stem-to-guide clearance.\u003c\/li\u003e\n\u003cli\u003eWorks with OEM or aftermarket retainers, springs, and keepers.\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\u003e2008-2016\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer\u003c\/td\u003e\n\u003ctd\u003eEvolution X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2016\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eX GSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2016\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eX MR\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\u003eRace components trusted in Formula Drift and drag racing classes.\u003c\/li\u003e\n\u003cli\u003eEngineered with input from professional tuners for import engines.\u003c\/li\u003e\n\u003cli\u003eBacked by limited lifetime warranty on manufacturing defects.\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 Do these valves fit all 4B11T engines in Evo X models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they are direct fit for 2008-2016 Mitsubishi Lancer Evolution X with 4B11T 2.0L turbo engines across GSR and MR submodels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What makes the 21-4N material suitable for performance?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 21-4N offers high nickel content for superior heat resistance and tensile strength compared to 21-2N, ideal for turbocharged setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage is provided?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty covers defects in materials and workmanship when installed by qualified technicians.\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 Standard 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 Foam-lined protective box, 8 x 6 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.75 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":40341598044239,"sku":"GSC2022-8","price":173.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/Screenshot2024-06-04at1.02.23PM.png?v=1717520555","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-4b11t-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}