{"product_id":"manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-640in-o-a-length-0-3110in-stem","title":"Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O\/A Length, 0.3110in Stem","description":"Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44029499342970,"sku":"MAN11349-8","price":213.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1846\/6469\/files\/6e7430401b0f4d069938bb54652f43b7L_d9a768cc-14c4-4fdf-bd5e-726818038347.jpg?v=1769550943","url":"https:\/\/tune2mod.com\/products\/manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-640in-o-a-length-0-3110in-stem","provider":"Tune2mod Performance","version":"1.0","type":"link"}