{"product_id":"manley-chevrolet-big-block-exhaust-valve-kit-1-900in-head-dia-5-522in-o-a-length-0-3415in-stem-5","title":"Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O\/A Length, 0.3415in 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":47721846603943,"sku":"MAN11775-8","price":264.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_a57e20be-85a2-43de-b6dc-7f8250f0ad3d.jpg?v=1769272444","url":"https:\/\/www.straightsiximports.com\/products\/manley-chevrolet-big-block-exhaust-valve-kit-1-900in-head-dia-5-522in-o-a-length-0-3415in-stem-5","provider":"Straight Six Imports","version":"1.0","type":"link"}