Port Cylinder Head

magnum
AFR_BBC_290cc_Magnum_Oval_Port_Aluminum_Cylinder_Heads_Chevy_Big_Block_509_3640_01_nd

AFR BBC 290cc Magnum Oval Port Aluminum Cylinder Heads Chevy Big Block 509 3640

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 290cc BBC Magnum Oval Cylinder Heads. AFR's 290cc heads feature 100% CNC ported intake, exhaust and chambers, A356 aluminum castings and high quality components throughout. Recommended for moderate street, or street/strip builds with displacements up to 509 cubic inches, operating up to 6500 RPM. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 3640. 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 AFR heads available, and options such as upgrading springs or retainers.…
Read More
AFR_BBC_300cc_Magnum_Oval_Port_Aluminum_Cylinder_Heads_CNC_Chevy_Big_Block_3670_01_ur

AFR BBC 300cc Magnum Oval Port Aluminum Cylinder Heads CNC Chevy Big Block 3670

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 300cc BBC Oval Cylinder Heads. AFR's 300cc heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for aggressive street, street/strip or race builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 3670. 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 AFR heads available, and options such as upgrading springs or retainers.…
Read More
AFR_BBC_265cc_Magnum_As_Cast_Oval_Port_Cylinder_Heads_Chevy_Big_Block_468_3600_01_pyg

AFR BBC 265cc Magnum As Cast Oval Port Cylinder Heads Chevy Big Block 468 3600

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 265cc BBC Magnum Oval Cylinder Heads. AFR's 265cc Magnum "As Cast" Oval Port heads are the preferred choice over reworked factory heads. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for street, towing, or street/strip engines with displacements up to 468 cubic inches, operating up to 6200 RPM. Also available with 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 # 3600. There are many different options available for AFR heads, please…
Read More
AFR_BBC_345cc_Magnum_Rectangle_Port_Cylinder_Heads_Chevy_Big_Block_572_3450_01_ce

AFR BBC 345cc Magnum Rectangle Port Cylinder Heads Chevy Big Block 572 3450

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 345cc BBC Rectangle Cylinder Heads. AFR's 345cc heads are designed feature partially CNC ported intake & exhaust, A356 aluminum castings and high quality components throughout. Recommended for more radical street/strip, "Pro Street", or racing builds with displacements up to 572 cubic inches, operating up to 7000 RPM. Also available with 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 # 3450. There are many different options available for AFR heads, please view the details section below for the details on these heads.…
Read More
AFR_BBC_265cc_Magnum_Oval_Port_Aluminum_Cylinder_Heads_Chevy_Big_Block_468_3610_01_mps

AFR BBC 265cc Magnum Oval Port Aluminum Cylinder Heads Chevy Big Block 468 3610

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 265cc BBC Magnum Oval Cylinder Heads. AFR's 265cc Magnum "As Cast" Oval Port heads are the preferred choice over reworked factory heads. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for street, towing, or street/strip engines with displacements up to 468 cubic inches, operating up to 6200 RPM. Also available with 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 # 3610. There are many different options available for AFR heads, please…
Read More
AFR_457cc_BBC_18_100_Fully_CNC_Ported_Magnum_Aluminum_Cylinder_Heads_3708_PAIR_01_rjjq

AFR 457cc BBC 18° 100% Fully CNC Ported Magnum Aluminum Cylinder Heads 3708 PAIR

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 457cc BBC 18° Magnum Cylinder Heads. 950, IN STOCK on our shelves. AFRs new 457cc 18° Big Block Chevy heads are our best performing highest flowing head in our BB Chevy lineup. They come standard with stainless steel 2.400 intake valves and 1.800 exhaust valves. The intake port is raised. 500 with the valves rolled to 18° resulting in unparalleled under the curve flow numbers..... Dont be fooled by just peak flow numbers. The combustion chamber comes in at 90cc. This head is ideal for 540CI or larger race engines. This head requires specific pistons, valves covers, shaft mount…
Read More