{"product_id":"manley-chevrolet-5-3l-l83-exhaust-valve-kit-1-560in-head-dia-5-208in-o-a-length-0-3136in-stem","title":"Manley Performance 12359-8 Manley fits Chevrolet 5.3L L83 Exhaust Valve Kit -","description":"\u003cp\u003eManley Performance 12359-8 Manley fits Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O\/A Length, 0.3136in Stem\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e : Manley Performance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e : 12359-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlternatePartNumber\u003c\/strong\u003e : man12359-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e : 807298109954\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 : 11.75 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e : 6.75 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e : 2.5 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e : 3.0 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":44990465114298,"sku":"MAN12359-8","price":239.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_a8af82ee-8bb1-4223-9545-b42008b29bcd.jpg?v=1753588858","url":"https:\/\/performancemods.com\/products\/manley-chevrolet-5-3l-l83-exhaust-valve-kit-1-560in-head-dia-5-208in-o-a-length-0-3136in-stem","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}