{"product_id":"manley-chevrolet-big-block-intake-valve-kit-2-300in-head-dia-5-344in-o-a-length-0-3415in-stem","title":"Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in 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":54223999631528,"sku":"MAN11816-8","price":188.69,"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_cbc3a02d-4432-4688-b949-52cb6471b0d0.png?v=1761773757","url":"https:\/\/eliteracefab.com\/products\/manley-chevrolet-big-block-intake-valve-kit-2-300in-head-dia-5-344in-o-a-length-0-3415in-stem","provider":"eliteracefab.com","version":"1.0","type":"link"}