{"product_id":"afr-224cc-black-hawk-gen-3-hemi-cylinder-heads-2520-afr-2520","title":"AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads Bare: Fits most Hemi Models","description":"\u003ch3\u003eAFR Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads\u003c\/h3\u003e\u003cp\u003eFits Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L, 6.1L SRT8, 6.2L Hellcat, 6.4L 392 Engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e2520\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe AFR 224cc Black Hawk Gen 3 Hemi cylinder heads are precision-engineered performance components designed for a wide range of Chrysler, Dodge, Jeep, and Ram Hemi engines, including the 5.7L, 6.1L SRT8, 6.2L Hellcat, and 6.4L 392 variants. Crafted from durable cast aluminum, these bare cylinder heads offer a perfect blend of strength, lightweight construction, and advanced airflow technology to maximize engine efficiency and power potential.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders seeking to upgrade their Hemi engines, these heads provide enhanced intake and exhaust flow characteristics, improving combustion efficiency and overall performance. Whether you are building a street machine, race car, or high-performance daily driver, the AFR Black Hawk Gen 3 heads deliver reliable, consistent results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese cylinder heads incorporate advanced CNC machining and thoughtful design elements to optimize airflow and durability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e224cc intake runner volume with square port shape for improved air velocity and flow\u003c\/li\u003e\n\u003cli\u003e75cc exhaust runner volume with D-port design for efficient exhaust scavenging\u003c\/li\u003e\n\u003cli\u003e73cc CNC-machined hemispherical combustion chambers for superior combustion efficiency\u003c\/li\u003e\n\u003cli\u003eLarge 2.165-inch intake valves and 1.650-inch exhaust valves for increased airflow capacity\u003c\/li\u003e\n\u003cli\u003eHydraulic roller camshaft compatibility with maximum valve lift of 0.600 inches\u003c\/li\u003e\n\u003cli\u003eBronze valve guides and ductile iron valve seats for enhanced durability and heat resistance\u003c\/li\u003e\n\u003cli\u003ePerimeter bolt valve cover mounting style with accessory bolt holes drilled for easy installation\u003c\/li\u003e\n\u003cli\u003eValve stem seals included to ensure proper sealing and longevity\u003c\/li\u003e\n\u003cli\u003eMachined intake and exhaust runners for consistent performance and fitment\u003c\/li\u003e\n\u003cli\u003e10-degree lock style for secure valve retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManufactured from high-quality cast aluminum, the AFR Black Hawk Gen 3 heads are engineered for strength and lightweight performance. The heads feature fully CNC-machined combustion chambers, intake runners, and exhaust runners, ensuring precise tolerances and optimal airflow dynamics. The use of bronze valve guides and ductile iron valve seats enhances wear resistance and thermal stability, critical for high-performance applications.\u003c\/p\u003e\u003cp\u003eThe hemispherical combustion chamber design promotes efficient fuel-air mixing and combustion, contributing to improved power output and throttle response. Additionally, the heads are designed with standard intake and exhaust port locations, making them compatible with most factory and aftermarket components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese cylinder heads are sold as bare units and are compatible with Chrysler, Dodge, Jeep, and Ram Hemi engines ranging from 5.7L to 6.4L, including the 6.1L SRT8, 6.2L Hellcat, and 6.4L 392 models. Installation requires standard machining and assembly procedures typical for performance cylinder heads. Valve springs, retainers, locks, rocker arms, and rocker arm nuts are not included and must be sourced separately to match your camshaft and valve train setup.\u003c\/p\u003e\u003cp\u003eThe heads feature a perimeter bolt valve cover mounting style and are drilled for accessory bolt holes, facilitating straightforward installation with existing hardware. No modifications to the oiling system or heat crossover are necessary, as these heads utilize a through-pushrod oiling design and do not include steam holes or O-ring machining.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne bare AFR Black Hawk Gen 3 Hemi cast aluminum cylinder head\u003c\/li\u003e\n\u003cli\u003eValve stem seals\u003c\/li\u003e\n\u003cli\u003eValve guides installed\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis product is ideal for performance enthusiasts, engine builders, and racers looking to upgrade their Hemi engines for improved airflow, combustion efficiency, and durability. It suits applications ranging from street performance to competitive motorsports where reliable power gains and consistent operation are essential.\u003c\/p\u003e","brand":"AFR","offers":[{"title":"Default Title","offer_id":47379540967636,"sku":"2520","price":1714.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002235_afr-2518_xl_17044d8a-8fe9-4df9-9c08-7864dc12ea86.webp?v=1771667049","url":"https:\/\/fasthemis.com\/products\/afr-224cc-black-hawk-gen-3-hemi-cylinder-heads-2520-afr-2520","provider":"FastHemis","version":"1.0","type":"link"}