{"product_id":"manley-chevrolet-big-block-exhaust-valve-kit-1-880in-head-dia-5-422in-o-a-length-0-3415in-stem","title":"Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O\/A Length, 0.3415in Stem","description":"High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":50943793004760,"sku":"MAN10881-8","price":163.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0624\/3844\/1176\/files\/639c017773af16048d25285e221903acL_dde00de7-f0bf-4901-8c51-aadba4252dd2.jpg?v=1760781432","url":"https:\/\/turninconcepts.com\/products\/manley-chevrolet-big-block-exhaust-valve-kit-1-880in-head-dia-5-422in-o-a-length-0-3415in-stem","provider":"TurninConcepts","version":"1.0","type":"link"}