{"product_id":"manley-ford-4-6l-dohc-4-valve-triple-groove-37mm-race-master-intake-valves","title":"Manley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e11616-8\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 807298000831\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eManley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves 1999-2008 Mustang Cobra GT Shelby GT500\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eManley Race Series intake valves deliver reliable performance for Ford 4.6L and 5.4L DOHC 4-valve engines in high-revving applications up to 8000 RPM. These 37mm triple groove valves fit select Mustang SVT Cobra, Shelby GT500, and GT models from 1999 to 2008. Precision construction ensures consistent airflow and durability in bracket racing, drag, and oval track use.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e37mm Head Diameter:\u003c\/strong\u003e Boosts intake airflow for improved throttle response and power in 4.6L\/5.4L DOHC heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Groove Design:\u003c\/strong\u003e Locks retainers securely during high-RPM operation to prevent valve float\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwirl Polished Stems:\u003c\/strong\u003e Reduces guide friction and wear for longer service life in race conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened One-Piece Forged Tips:\u003c\/strong\u003e Resists scuffing and maintains valve train geometry under extreme loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.050 Inch Length (128.27mm):\u003c\/strong\u003e Direct fit for Ford Modular DOHC cylinder heads with 7\/16 inch (8.712mm) stem diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOne-piece stainless steel construction handles heat and stress in competition engines\u003c\/li\u003e\n\u003cli\u003eInspect valve seats and guides prior to installation for proper clearance\u003c\/li\u003e\n\u003cli\u003eSet of 8 valves ships in protective OEM-style packaging\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\u003eMatch valve stem diameter to guides. use positive seals for oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or aftermarket valve springs up to 8000 RPM\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\u003e1999\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eSVT Cobra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eSVT Cobra R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eSVT Cobra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2008\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eShelby GT500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Manley?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDecades of experience supplying valves to professional racing teams\u003c\/li\u003e\n\u003cli\u003eRigorous testing ensures reliability at sustained high RPM\u003c\/li\u003e\n\u003cli\u003eCNC machined for exact tolerances and consistent performance\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 fit 2003-2004 Mustang SVT Cobra or Mach 1?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Confirmed fitment for listed years only. verify head casting for 4.6L\/5.4L DOHC 4V compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are these valves made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e One-piece stainless steel with hardened tips and swirl polished stems for heat resistance and low friction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on Manley Race valves?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited warranty against manufacturing defects. contact Manley for race-specific policies\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 Securely boxed measuring 6 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.6 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":41147011858511,"sku":"MAN11616-8","price":202.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/manley-ford-4_6l-dohc-4-valve-triple-groove-37mm-race-master-intake-valves-manley-performance.jpg?v=1772547464","url":"https:\/\/www.blackopsautoworks.com\/products\/manley-ford-4-6l-dohc-4-valve-triple-groove-37mm-race-master-intake-valves","provider":"Black Ops Auto Works","version":"1.0","type":"link"}