{"product_id":"manley-ford-racing-cylinder-head-4-6l-5-4l-sohc-36-0mm-race-master-exhaust-valve-single-1","title":"Manley Performance 11637-1 Manley Performance 11637-1Manley fits Ford Raci","description":"\u003cp\u003eManley Performance 11637-1 Manley fits Ford Racing Cylinder Head 4.6L \u0026amp; 5.4L SOHC 36.0mm Race Master Exhaust Valve (Single)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e : Manley Performance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e : 11637-1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlternatePartNumber\u003c\/strong\u003e : man11637-1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e : 807298001029\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Department\u003c\/strong\u003e : Engine Components\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Category\u003c\/strong\u003e : Valves\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoxQuantity\u003c\/strong\u003e : 1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLength\u003c\/strong\u003e : 5.0 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e : 1.5 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e : 1.5 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e : 0.25 lbs\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProp65\u003c\/strong\u003e : Yes\u003c\/p\u003eStainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44523561189562,"sku":"MAN11637-1","price":32.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/f7e5509ab6b479c05ce969bc44d23e98_efb4fe4b-ac91-43b6-b559-90e4227d662b.jpg?v=1736448993","url":"https:\/\/performancemods.com\/products\/manley-ford-racing-cylinder-head-4-6l-5-4l-sohc-36-0mm-race-master-exhaust-valve-single-1","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}