{"product_id":"manley-small-block-chevrolet-1-500-budget-performance-exhaust-valves-1","title":"Manley Performance 10577-8 Manley Performance 10577-8Manley Small Block fi","description":"\u003cp\u003eManley Performance 10577-8 Manley Small Block fits Chevrolet 1.500 Budget Performance Exhaust Valves\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e : Manley Performance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e : 10577-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlternatePartNumber\u003c\/strong\u003e : man10577-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e : 807298047072\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 : 4.0 lbs\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProp65\u003c\/strong\u003e : Yes\u003c\/p\u003ePremium Stainless Steel: The Performance Series valves are available as XH-422 for exhaust and NK-840 for intake, constructed from high-quality stainless steel for optimal performance.Chrome Stems and Hard Tips: These valves boast chrome stems and hard tips, ensuring exceptional durability, even under extreme conditions.Swirl Polished and Fully Machined: The under head areas are expertly swirl polished, and the combustion faces are fully machined, optimizing airflow and combustion efficiency for maximum power.Variety of Lengths: Tailor your valve selection to your engine's needs with options for stock length or .100? longer lengths.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44523535597754,"sku":"MAN10577-8","price":120.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/bfdf597d4e0d95f2d3b32b894b2c84f1_aa72438b-71f3-49af-81f5-722b8c8d7ca5.jpg?v=1736448827","url":"https:\/\/performancemods.com\/products\/manley-small-block-chevrolet-1-500-budget-performance-exhaust-valves-1","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}