{"product_id":"manley-chevrolet-big-block-exhaust-valve-kit-1-800in-head-dia-5-930in-o-a-length-0-3415in-stem-2","title":"Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in 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":51501076513067,"sku":"MAN12351-8","price":514.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/3645\/4465\/files\/fec5f7dba71aff461c53f7b003c4211fL_7471e429-3691-45d8-9163-fcc4576a347c.jpg?v=1763051553","url":"https:\/\/www.burton-racing.com\/products\/manley-chevrolet-big-block-exhaust-valve-kit-1-800in-head-dia-5-930in-o-a-length-0-3415in-stem-2","provider":"Burton-Racing","version":"1.0","type":"link"}