{"product_id":"manley-ford-429-boss-exhaust-valve-kit-1-900in-head-dia-5-650in-o-a-length-0-3715in-stem","title":"Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O\/A Length, 0.3715in Stem","description":"\u003cp\u003eStainless 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.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47272947908775,"sku":"MAN11787-8","price":264.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/1ecc177028ebb28898eba0253019ba05L_6085fdd9-d0a9-40fe-81e7-5a9a7c92b2b8.jpg?v=1763044012","url":"https:\/\/www.straightsiximports.com\/products\/manley-ford-429-boss-exhaust-valve-kit-1-900in-head-dia-5-650in-o-a-length-0-3715in-stem","provider":"Straight Six Imports","version":"1.0","type":"link"}