{"product_id":"manley-chevy-l83-5-3l-1-560in-head-diameter-pro-flo-extreme-duty-exhaust-valves-set-of-8","title":"Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo\/Extreme Duty Exhaust Valves (Set of 8)","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":40619914821675,"sku":"MAN12363-8","price":489.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/8021\/7643\/files\/5f4b70fa0b8a870e0877005e4b8d1853_78afb361-03cb-4313-ae5d-de3e3d0deac8.jpg?v=1685469146","url":"https:\/\/marzocchiracing.com\/products\/manley-chevy-l83-5-3l-1-560in-head-diameter-pro-flo-extreme-duty-exhaust-valves-set-of-8","provider":"Marzocchi Racing","version":"1.0","type":"link"}