{"product_id":"manley-chevrolet-small-block-exhaust-valve-kit-1-560in-head-dia-4-911in-o-a-length-0-3415in-stem-1","title":"Manley Chevrolet Small Block Exhaust Valve Kit - 1.560in Head Dia. 4.911in O\/A Length, 0.3415in Stem","description":"\u003cp\u003eHigh-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.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47330279030951,"sku":"MAN10747-8","price":194.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/71a7d21fe2bd56432946b3dfa742c46bL_2c6a2be2-7432-48b9-b455-9314a02afa16.jpg?v=1764240574","url":"https:\/\/www.straightsiximports.com\/products\/manley-chevrolet-small-block-exhaust-valve-kit-1-560in-head-dia-4-911in-o-a-length-0-3415in-stem-1","provider":"Straight Six Imports","version":"1.0","type":"link"}