{"product_id":"air-flow-research-afr-1845-ls3-12-degree-cylinder-heads-fully-cnc-ported-with-2-165-inch-intake-and-1-600-inch-exhaust-valves","title":"Air Flow Research AFR 1845 LS3 12-Degree Cylinder Heads Fully CNC Ported with 2.165 Inch Intake and 1.600 Inch Exhaust Valves","description":"LS3 12-Degr Cylinder Heads Fully CNC Ported\n\u003cp\u003eThe Air Flow Research AFR 1845 LS3 12-Degree Cylinder Heads are engineered for high-performance applications on GM LS-Series engines. These fully CNC ported aluminum cylinder heads feature 2.165-inch intake valves and 1.600-inch exhaust valves, designed to optimize airflow and enhance engine power. The 260 cc intake runner volume and 69 cc combustion chamber contribute to improved combustion efficiency and increased horsepower. The heads are assembled with 1.270-inch springs and feature an angle plug design for increased spark plug access and better ignition performance. Manufactured specifically for LS3 engines, these heads are suitable for street and racing builds aiming for significant power gains and reliability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: Aluminum construction for lightweight strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eValve Sizes: 2.165-inch intake and 1.600-inch exhaust valves for optimized airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChamber Size: 69 cc combustion chamber for efficient combustion\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIntake Runner Volume: 260 cc for improved airflow and power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpring Height: 1.270-inch springs designed for high-performance valve train support\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesign: 12-degree valve angle for enhanced airflow dynamics\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: GM LS-Series LS3 engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFinish: Fully CNC ported for precise airflow optimization\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAssembly: Assembled cylinder heads ready for installation\u003c\/li\u003e\u003c\/ul\u003e","brand":"AIR FLOW RESEARCH","offers":[{"title":"Default Title","offer_id":44717937492034,"sku":"AFR1845","price":3264.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4327\/4306\/files\/AFR1845.jpg?v=1786502845","url":"https:\/\/ltactradingco.com\/products\/air-flow-research-afr-1845-ls3-12-degree-cylinder-heads-fully-cnc-ported-with-2-165-inch-intake-and-1-600-inch-exhaust-valves","provider":"LTAC Trading Co.","version":"1.0","type":"link"}