{"product_id":"gsc-p-d-hyundai-g4kf-theta-4b11t-chrome-polished-exhaust-valve-29mm-head-std-one","title":"GSC P-D Hyundai G4KF Theta 4B11T Chrome Polished Exhaust Valve - 29mm Head (STD) - ONE","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eGSC2025-01\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division Chrome Polished Exhaust Valve – 29mm Head (STD) for Hyundai G4KF Theta \/ Mitsubishi 4B11T\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe GSC Power-Division GSC2025-01 is a premium chrome-polished exhaust valve with a 29mm standard head diameter, designed for the Hyundai G4KF Theta and Mitsubishi 4B11T turbocharged engines. Manufactured to exact OEM specifications with superior materials and precision machining, this single exhaust valve offers improved heat resistance, better sealing, and enhanced durability for both stock and high-performance builds. The polished chrome finish reduces carbon buildup and improves flow characteristics, making it an excellent upgrade for street or track applications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e29mm Standard Head Diameter\u003c\/strong\u003e – Direct OEM replacement size for perfect fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Polished Finish\u003c\/strong\u003e – Reduces carbon adhesion and improves exhaust flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Material\u003c\/strong\u003e – Engineered for superior heat and fatigue resistance in turbo applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined\u003c\/strong\u003e – Tight tolerances ensure reliable sealing and long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Valve\u003c\/strong\u003e – Sold individually for targeted repairs or custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eGSC2025-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGSC Power-Division\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eChrome Polished Exhaust Valve (STD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Diameter\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eHyundai G4KF Theta and Mitsubishi 4B11T engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eGSC Power-Division Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x GSC Chrome Polished Exhaust Valve (29mm head, STD size)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement or upgrade for the exhaust valves in Hyundai G4KF Theta and Mitsubishi 4B11T turbo engines\u003c\/li\u003e\n\u003cli\u003eChrome polishing helps resist carbon buildup and improves flow\u003c\/li\u003e\n\u003cli\u003eIdeal for stock rebuilds or high-boost performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires cylinder head removal and professional valve job\u003c\/li\u003e\n\u003cli\u003eEstimated time: Part of full cylinder head service\u003c\/li\u003e\n\u003cli\u003eAlways replace valve stem seals and perform proper break-in procedure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHyundai G4KF Theta Engine\u003c\/td\u003e\n\u003ctd\u003eTurbocharged applications (single valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMitsubishi 4B11T Engine\u003c\/td\u003e\n\u003ctd\u003eTurbocharged applications (single valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose GSC Power-Division Valves?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePremium materials and precision manufacturing for superior durability under boost\u003c\/li\u003e\n\u003cli\u003eChrome polished finish reduces carbon buildup and improves performance\u003c\/li\u003e\n\u003cli\u003eTrusted by engine builders for high-performance and racing applications\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 Is this a single valve or a set? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Sold individually – one chrome polished exhaust valve (29mm head, STD size).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my Hyundai or Mitsubishi turbo engine? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed for the G4KF Theta and 4B11T turbocharged engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace all valves? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For best results, it is recommended to replace all exhaust valves during a full valve job.\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 Ground UPS or FedEx\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 Official GSC Power-Division retail packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":45061483724879,"sku":"GSC2025-01","price":32.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc_gsc2025_01_valve.jpg?v=1775484150","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-hyundai-g4kf-theta-4b11t-chrome-polished-exhaust-valve-29mm-head-std-one","provider":"Black Ops Auto Works","version":"1.0","type":"link"}