Port Cylinder Head

Month: April 2020
AFR_SBC_245cc_Competition_CNC_Spread_Port_Cylinder_Heads_Ti_Retainers_1139_TI_01_dts

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_01_eap

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_01_ko

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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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.…
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AFR_BBC_377cc_Rectangle_Port_Aluminum_Cylinder_Heads_Chevy_Big_Block_615_3575_01_at

AFR BBC 377cc Rectangle Port Aluminum Cylinder Heads Chevy Big Block 615 3575

AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 377cc BBC Rectangle Cylinder Heads. AFR's 377cc heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Steel retainers, and high quality components throughout. These heads are best suited for large displacement (540+) Big Block Chevrolet racing engines. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 3575. 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. Fully CNC Ported Magnum…
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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.…
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Merlin_F85_Cylinder_Heads_High_Performance_Stage_4_Rover_V8_Morgan_TVR_ported_01_gt

Merlin F85 Cylinder Heads High Performance Stage 4 Rover V8 Morgan TVR ported

Included in this listing is a pair of stage 4 Merlin cylinder heads for the Rover V8 engine. Created from 25 years of flow bench studies and now machined in-house by RPi engineering from ultra high-grade, high density billet alloy on our very own V8 powered 4 axis CNC machine. This is truly the ultimate fast road Rover V8 cylinder head, with valves repositioned for best flow and angle, larger ports designed for most efficient air flow and speeds, additional supports for the rocker shaft assembly and more to allow for huge gains in torque, efficiency and power. As if that wasn't already good enough, these will also be supplied…
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D5_Round_Port_NOS_Hemi_Cylinder_Heads_Keith_Black_D5_Intake_Mopar_Dodge_01_jq

D5 Round Port NOS Hemi Cylinder Heads & Keith Black D5 Intake Mopar Dodge

D5 Round Port NOS Hemi Cylinder Heads & Keith Black D5 Intake Mopar Dodge. This listing is for a Pair of NOS D5 Round Port Cylinder Heads and D5 Round Port Keith Black Intake. These round port heads are very rare and I have only ever seen one other round port intake. This is a very unique and rare setup for your car to make it stand apart. They ran D5 in some of the early to late 70s pro-stock cars. Heads are brand new from chrysler. This is some of the rarest of the rarest. This item has been kept in our indoor storage. POSTAL SERVICE, FED EX, UPS.…
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Porsche_911_2_5_914_6_GT_ST_RS_Twin_Plug_Cylinder_Heads_Refurbished_Ported_38_38_01_qs

Porsche 911 2.5 914-6 GT ST RS Twin Plug Cylinder Heads Refurbished Ported 38/38

The valve seats are excellent, not machined or lapped in far for excellent compression, valves are original 46mm intakes and sodium filled 40mm exhaust valves, same as the 73 Porsche 911 Carrera RS had, ports are large 38/38mm beautifully ported and polished, valve springs are new Aase Brothers /Aasco Motorsports with light weight titanium retainers, spark plugs are both 14mm for an easy selection of plugs, the heads have been chamfered/beveled for 86.7mm cylinders - these heads are perfect for your screaming 2.5 liter 911 engine. They were built for a 914-6GT 2.5 liter spare engine and plans changed. Freshly plated studs are included - not shown in the photos.…
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Cbm_Motorsports_Pro_x_Cnc_Ported_6_Bolt_Ls3_Ls7_Cylinder_Heads_Jesel_Rockers_01_ple

Cbm Motorsports Pro-x Cnc Ported 6 Bolt Ls3 Ls7 Cylinder Heads Jesel Rockers

PRO-X LS3 CYLINDER HEADS. CBM Motorsports Pro-X CNC ported aluminum cylinder heads will unleash the horsepower, torque and performance that your LS engine is capable of. CBM Motorsports Pro-X 6 bolt cylinder heads for LS style engines are. Designed for 4.065 or larger bores and LS3/L92 intake ports. They also feature a raised rocker rail for improved rocker arm/valve cover clearance and are capable of making well over 1000hp. We 100% CNC port all intake and exhaust runners, blend the bowls and match the ports. The combustion chambers and ports have been carefully designed to achieve the very best combination of high flow capabilities along with outstanding port velocity. An…
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