{"product_id":"manley-chevrolet-big-block-intake-valve-kit-2-250in-head-dia-5-344in-o-a-length-0-3415in-stem","title":"Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in 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":54223954870440,"sku":"MAN10814-8","price":148.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/ChatGPT_Image_Oct_28_2025_01_07_55_PM_8da40b03-f8df-4c45-845a-084d832e5b84.png?v=1761773868","url":"https:\/\/eliteracefab.com\/products\/manley-chevrolet-big-block-intake-valve-kit-2-250in-head-dia-5-344in-o-a-length-0-3415in-stem","provider":"eliteracefab.com","version":"1.0","type":"link"}