{"product_id":"manley-big-block-chevrolet-int-2-190-head-dia-5-218-o-a-length-3715-stem-race-flo-valve-single-1","title":"Manley Performance 11528-1 Manley Performance 11528-1Manley Big Block fits","description":"\u003cp\u003eManley Performance 11528-1 Manley Big Block fits Chevrolet Int. 2.190 Head Dia. 5.218 O\/A Length .3715 Stem Race Flo Valve (Single)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e : Manley Performance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e : 11528-1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlternatePartNumber\u003c\/strong\u003e : man11528-1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e : 807298049618\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 : 6.0 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e : 6.0 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e : 2.0 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e : 0.5 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":44523554734266,"sku":"MAN11528-1","price":29.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/05640e0afd9583139cfe4424d625c826_5cae85d1-00ba-4e8f-9a7b-78174a9097dc.jpg?v=1736448948","url":"https:\/\/performancemods.com\/products\/manley-big-block-chevrolet-int-2-190-head-dia-5-218-o-a-length-3715-stem-race-flo-valve-single-1","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}