{"product_id":"afr-212cc-black-hawk-gen-3-hemi-cylinder-heads-2521-afr-2521","title":"AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head (DRIVER): 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 Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e2521\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe AFR 212cc Black Hawk Gen 3 Hemi cylinder heads are precision-engineered performance components designed to fit a wide range of Chrysler, Dodge, Jeep, and Ram Hemi engines, including the 5.7L, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk models. Crafted for enthusiasts and professional builders seeking to maximize airflow and combustion efficiency, these heads deliver improved power potential and throttle response while maintaining reliable operation.\u003c\/p\u003e\u003cp\u003eBuilt with cast aluminum for lightweight strength and durability, these heads feature CNC-machined combustion chambers and intake\/exhaust runners to optimize flow characteristics. The Black Hawk Gen 3 heads are ideal for street performance, racing, and high-output applications where enhanced breathing and valve control are critical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned to elevate your Hemi engine’s performance, the AFR Black Hawk Gen 3 heads include a host of advanced features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e212cc intake runner volume for improved airflow and volumetric efficiency\u003c\/li\u003e\n\u003cli\u003e73cc CNC-machined Hemi combustion chambers for precise combustion and power gains\u003c\/li\u003e\n\u003cli\u003eSquare intake port shape and D-port exhaust design for optimized air\/fuel mixture flow\u003c\/li\u003e\n\u003cli\u003eIntake valves measuring 2.125 inches and exhaust valves at 1.650 inches for enhanced breathing\u003c\/li\u003e\n\u003cli\u003eDual valve springs with 1.290-inch outer diameter and 0.600-inch maximum valve lift capability\u003c\/li\u003e\n\u003cli\u003eTitanium retainers and 10-degree valve locks for high RPM durability\u003c\/li\u003e\n\u003cli\u003eBronze valve guides and ductile iron valve seats for long-lasting wear resistance\u003c\/li\u003e\n\u003cli\u003eFully assembled heads including intake and exhaust valves, valve springs, retainers, locks, and valve stem seals\u003c\/li\u003e\n\u003cli\u003ePerimeter bolt valve cover mounting style with accessory bolt holes drilled for ease of installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe AFR Black Hawk Gen 3 cylinder heads are cast from high-quality aluminum alloy, providing an excellent strength-to-weight ratio that reduces overall engine weight without sacrificing durability. Each head undergoes CNC machining to ensure exact combustion chamber volumes and port shapes, delivering consistent performance and fitment.\u003c\/p\u003e\u003cp\u003eThe Hemi-style combustion chambers are designed to promote efficient flame propagation and reduce detonation risk, while the square intake ports and D-shaped exhaust ports maximize airflow velocity and turbulence control. Bronze valve guides and ductile iron seats enhance longevity under demanding conditions, and the inclusion of titanium retainers reduces valvetrain mass for improved valve control at high RPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese cylinder heads are engineered as direct-fit replacements for most Chrysler, Dodge, Jeep, and Ram Hemi engines in the 5.7L to 6.4L range, including the 6.1L SRT8 and 6.2L Hellcat \u0026amp; Trackhawk variants. Installation requires standard procedures for cylinder head replacement and may necessitate compatible gaskets and hardware. No modifications to the intake or exhaust ports are typically needed due to the heads’ standard port locations.\u003c\/p\u003e\u003cp\u003eNote that rocker arms, rocker arm studs, nuts, and guideplates are not included and must be sourced separately. The heads are sold individually and are designated for the driver side.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne assembled AFR Black Hawk Gen 3 cylinder head (driver side)\u003c\/li\u003e\n\u003cli\u003eIntake valves\u003c\/li\u003e\n\u003cli\u003eExhaust valves\u003c\/li\u003e\n\u003cli\u003eDual valve springs\u003c\/li\u003e\n\u003cli\u003eTitanium retainers\u003c\/li\u003e\n\u003cli\u003eValve locks (10-degree style)\u003c\/li\u003e\n\u003cli\u003eValve stem seals\u003c\/li\u003e\n\u003cli\u003eValve guides\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis cylinder head is perfect for performance enthusiasts, engine builders, and racers looking to upgrade their Hemi engines for increased airflow, higher RPM capability, and improved combustion efficiency. Whether building a street\/strip machine, a drag racing engine, or a high-performance daily driver, the AFR Black Hawk Gen 3 heads provide a solid foundation for power and reliability.\u003c\/p\u003e","brand":"AFR","offers":[{"title":"Default Title","offer_id":47379541033172,"sku":"2521","price":1999.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002233_afr-2521_xl_80dfa55f-2ab3-45cc-9d1f-7dd098d30f81.webp?v=1771667049","url":"https:\/\/fasthemis.com\/products\/afr-212cc-black-hawk-gen-3-hemi-cylinder-heads-2521-afr-2521","provider":"FastHemis","version":"1.0","type":"link"}