{"product_id":"manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-265in-o-a-length-0-3415in-stem-1","title":"Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O\/A Length, 0.3415in Stem","description":"Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53205285175580,"sku":"MAN11721-8","price":489.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7614\/9689\/files\/fec5f7dba71aff461c53f7b003c4211fL_0e843296-dfb0-4c59-9ec0-d21898cc36da.jpg?v=1761051582","url":"https:\/\/www.demonicperformance.com\/products\/manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-265in-o-a-length-0-3415in-stem-1","provider":"Demonic Performance ","version":"1.0","type":"link"}