{"product_id":"manley-99-12-ford-4-6l-281-5-4l-330-v8-37mm-race-series-stainless-steel-intake-valves-set-of-8","title":"Manley Race Series Intake Valves – 1999-2012 Ford 4.6L\/281 5.4L\/330 V8 | Stainless Steel \/ Set of 8","description":"\u003cp\u003eEngine builders working with 1999-2012 Ford 4.6L\/281 5.4L\/330 V8 can use this Race Series intake valve family to choose the required valve dimensions while staying within the correct Manley application group. The parent listing is distinguished by \u003cstrong\u003eStainless Steel \/ Set of 8\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eThe correct 1999-2012 Ford 4.6L\/281 5.4L\/330 V8 valve is the one that matches the finished head. Stem clearance, seat contact, installed height, spring package, and keeper location should all be checked during assembly.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 1999-2012 Ford 4.6L\/281 5.4L\/330 V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Race Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Intake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e Stainless Steel \/ Set of 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e Race Series application focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11639-8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Quantity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSet of 8 valves.\u003c\/strong\u003e The selected configuration is supplied as a 8-piece valve package. This quantity applies to the selected Manley SKU family shown on this product page.\u003c\/p\u003e\u003ch3\u003eSelection \u0026amp; Fitment Notes\u003c\/h3\u003e\u003cp\u003eUse the finished cylinder-head setup as the authority for selection. Oversize valves or alternate lengths may require machining and can affect installed height and valvetrain geometry.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProfessional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":50184586166522,"sku":"MAN11639-8","price":202.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/98c09e5a38d8e2483f84fb5d268c1442L_f3705d73-bff1-442e-833c-28d44fdcbe3f.jpg?v=1787802481","url":"https:\/\/lgcracing.com\/products\/manley-99-12-ford-4-6l-281-5-4l-330-v8-37mm-race-series-stainless-steel-intake-valves-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}