{"product_id":"manley-12357-1-exhaust-valve-extreme-duty-series-for-chevrolet-gen-iv-small-block-ls3-l92-l99","title":"MANLEY 12357-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 \/ L92 \/ L99","description":"\u003ch2\u003eDescription MANLEY 12357-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 \/ L92 \/ L99\u003c\/h2\u003e\u003cp\u003eManley Performance Products Extreme Duty Series Valves are engineered for the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for applications requiring extreme force and heat resistance, including Top Fuel, Funny Car, and marine engine applications\u003c\/li\u003e \u003cli\u003eXH-432 XtremeAlloy exhaust valve material construction\u003c\/li\u003e \u003cli\u003eChrome stems and hard tips for longevity and wear resistance\u003c\/li\u003e \u003cli\u003eSwirl-polished underhead areas and fully machined combustion faces improve airflow and combustion efficiency\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProduct Market: Domestic\u003c\/li\u003e \u003cli\u003eHead Diameter: 1.600 IN\u003c\/li\u003e \u003cli\u003eStem Diameter: 0.3136 IN\u003c\/li\u003e \u003cli\u003eValve Stem Diameter: 0.3136 IN\u003c\/li\u003e \u003cli\u003eO\/A Length: 5.215 IN\u003c\/li\u003e \u003cli\u003eTip Length: 0.160 IN\u003c\/li\u003e \u003cli\u003eMargin Width: 0.065 IN\u003c\/li\u003e \u003cli\u003eSeat Width: 0.115 IN\u003c\/li\u003e \u003cli\u003eTop of Head: 18 Degree Dish\u003c\/li\u003e \u003cli\u003eUnderhead Angle: 25.00 DEG\u003c\/li\u003e \u003cli\u003eEmissions Code: 3\u003c\/li\u003e \u003cli\u003eCylinder Head: L92 Cylinder Head\u003c\/li\u003e \u003cli\u003eValve Series: Extreme Duty Series\u003c\/li\u003e \u003cli\u003eValve Material: Inconel\u003c\/li\u003e \u003cli\u003eValve Type: Exhaust\u003c\/li\u003e \u003cli\u003eProduct Type: Engine Exhaust Valve\u003c\/li\u003e \u003cli\u003eValve Quantity: 1\u003c\/li\u003e \u003c\/ul\u003e","brand":"MANLEY","offers":[{"title":"Default Title","offer_id":43410626248884,"sku":"12357-1","price":98.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/image-coming-soon_0a82e376-5122-4fec-92a5-a3151c90137e.png?v=1786624823","url":"https:\/\/atomic-shop.eu\/products\/manley-12357-1-exhaust-valve-extreme-duty-series-for-chevrolet-gen-iv-small-block-ls3-l92-l99","provider":"ATOMIC-SHOP Performance Parts \u0026 Motorsport Equipment - EU","version":"1.0","type":"link"}