{"product_id":"manley-ford-429-exhaust-valve-kit-1-880in-head-dia-5-170in-o-a-length-0-3415in-stem","title":"Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.170in O\/A Length, 0.3415in 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":46757481021614,"sku":"MAN11899-8","price":184.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/0714\/9486\/files\/5f59adb721bd97eaa904eecff3d033b0L_2464b630-27bc-44e1-ab64-9f669da71e8b.jpg?v=1754570997","url":"https:\/\/purauto.com\/products\/manley-ford-429-exhaust-valve-kit-1-880in-head-dia-5-170in-o-a-length-0-3415in-stem","provider":"PurAuto","version":"1.0","type":"link"}