{"product_id":"manley-ford-4-6l-38-5mm-race-master-extreme-duty-exhaust-valves-set-of-8","title":"Manley Extreme Duty Exhaust Valves – Ford 4.6L 38.5mm \u0026 | 38.5mm Head \/ Set of 8","description":"\u003cp\u003eThis Manley Extreme Duty exhaust valve family is intended for Ford 4.6L 38.5mm \u0026amp; builds where valve dimensions need to be matched deliberately to the cylinder head, seat work, and valvetrain geometry. The parent listing is distinguished by \u003cstrong\u003e38.5mm Head \/ Set of 8\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eThe correct Ford 4.6L 38.5mm \u0026amp; 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 Ford 4.6L 38.5mm \u0026amp;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Extreme Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e 38.5mm Head \/ Set of 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11633-8\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\u003eValve fitment should be verified from the cylinder head itself; check the required head size, stem size, overall length, seat work, and valvetrain geometry rather than relying on engine name alone.\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":50184585117946,"sku":"MAN11633-8","price":514.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/7386d36e0649ef67fbb7326229574aa2L_b1ed143c-0f7f-44a5-9302-3763bab5220c.jpg?v=1787802466","url":"https:\/\/lgcracing.com\/products\/manley-ford-4-6l-38-5mm-race-master-extreme-duty-exhaust-valves-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}