AFR 260cc 100% CNC Ported LS3 Aluminum Cylinder Heads 6 Bolt Mongoose. 650 Lift
3-4 week build time. AFR Part Number #1840. AFRs 260cc LS3 Mongoose heads are the ultimate rectangular port for the LS3 and L99 engines. They feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. Theyre designed for 4.000 or larger bore applications up to 454 CI, operating up to 7000 RPM. Emmisons legal for 2008 to 2015 vehicles under CARB #D-250-5. Component upgrade and machining options are available to customize AFR Heads to your specific build. The Ultimate Bolt-On Emission Legal Street/Strip Weapon!…
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AFR SBC 235cc Competition CNC Ported Cylinder Heads Titanium Retainers 1132-TI
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 235cc SBC Competition Cylinder Heads. AFR's 235cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This head features 60/40 valve spacing and requires shaft mount rocker arms for optimum valve train geometry can be used with. 050 offset intake rockers for drag race only applications. Component upgrade and machining options are available to customize AFR Heads to your specific build. AFR Part # 1132-TI. There are many different options available for AFR heads, please view the details section below for the details on these heads. For the many other…
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AFR SBC 235cc Competition CNC Ported Cylinder Heads Titanium Retainers 1130-TI
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 235cc SBC Competition Cylinder Heads. AFR's 235cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This head features 60/40 valve spacing and requires shaft mount rocker arms for optimum valve train geometry can be used with. 050 offset intake rockers for drag race only applications. Component upgrade and machining options are available to customize AFR Heads to your specific build. AFR Part # 1130-TI. There are many different options available for AFR heads, please view the details section below for the details on these heads. For the many other…
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AFR BBC 325cc Rectangle Cylinder Heads CNC Ported Chevy Big Block 540 2101-1
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 325cc BBC Rectangle Cylinder Heads. AFR's 325cc heads feature partially CNC ported intake and exhaust, fully cnc chamber, A356 aluminum castings and high quality components throughout. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Included 100% CNC chambers for increased air flow (see chart). Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 2101-1. There are many different options available for AFR heads, please view the details section below for the details on these heads. For the many…
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AFR SBC 245cc Competition CNC Spread Port Cylinder Heads Ti Retainers 1140-TI
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 245cc SBC Spread Port Cylinder Heads. Spread port heads have the center exhaust ports spread apart approximately 1/2 over stock GM heads. The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest. As standard headers do not fit, spread port headers are required since the center ports are spread further apart than stock GM products. The increased spacing on the exhaust port also requires the use of exhaust gasket Fel-Pro #1409. Spread port heads only come with a Stahl bolt pattern. AFR's spread port head has…
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AFR SBC 245cc Competition CNC Spread Port Cylinder Heads Ti Retainers 1139-TI
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 245cc SBC Spread Port Cylinder Heads. Spread port heads have the center exhaust ports spread apart approximately 1/2 over stock GM heads. The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest. As standard headers do not fit, spread port headers are required since the center ports are spread further apart than stock GM products. The increased spacing on the exhaust port also requires the use of exhaust gasket Fel-Pro #1409. Spread port heads only come with a Stahl bolt pattern. AFR's spread port head has…
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AFR SBC 245cc Competition CNC Ported Cylinder Heads Titanium Retainers 1138-TI
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 245cc SBC Competition Cylinder Heads. AFR's 245cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. NPP stands for "no pushrod pinch", and this is AFR's largest 60/40 valve spacing head. These heads require shaft mount rocker arms for all applications and have extra machining for 3/8 pushrod clearance. Component upgrade and machining options are available to customize AFR Heads to your specific build. AFR Part # 1138-TI. There are many different options available for AFR heads, please view the details section below for the details on these heads. For…
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AFR BBF 315cc Bullitt CNC Ported Cylinder Heads Big Block Ford 75cc 3834
AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 315cc BBF Bullitt Cylinder Heads. The 315cc heads are AFR's largest and best flowing BBF heads! They feature 100% CNC ported intake, exhaust & combustion chambers, A356 aluminum castings, and high quality components throughout. These heads are best suited for large displacement high RPM Big Block Ford racing engines or radical "Pro Street" style builds. Component upgrades and machining options are available to customize AFR Heads to your specific build. Important - Due to AFR's revised valve location and angle, application specific AFR pistons or fly cutting your current pistons will be required. AFR Part # 3834. There are…
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