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Air Flow Research (AFR) Cylinder Heads & More

Air Flow Research (AFR) Cylinder Heads & More

When NASCAR drivers need race-winning horsepower and torque, they turn to one company: Air Flow Research. For over thirty years, Air Flow Research has been engineering...

When NASCAR drivers need race-winning horsepower and torque, they turn to one company: Air Flow Research. For over thirty years, Air Flow Research has been engineering cylinder heads that deliver unmatched flow and power output. Manufactured with advanced porting technology, AFR heads are flow-tested and subjected to a rigorous quality control process to ensure maximum performance in all applications. Whether you pilot a top fuel dragster or a street machine, Air Flow Research has a set of cylinder heads designed for you. Shop AFR cylinder heads at Summit Racing!

When NASCAR drivers need race-winning horsepower and torque, they turn to one company: Air Flow Research. For over thirty years, Air Flow Research has been engineering cylinder heads that deliver unmatched flow and power output. Manufactured with advanced porting technology, AFR heads are flow-tested and subjected to a rigorous quality control process to ensure maximum performance in all applications. Whether you pilot a top fuel dragster or a street machine, Air Flow Research has a set of cylinder heads designed for you. Shop AFR cylinder heads at Summit Racing!

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Individual Parts

Results 1 - 25 of 55

+.010 AFR SB Ford/LS1 Oversize Exhaust Seat

Part Number: AFR-9069OS

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

+.010 AFR SBC Oversize Exhaust Seat

Part Number: AFR-9070OS

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

AFR BB Ford Exhaust Seat 1.900 OD x 1.400 ID x .375

Part Number: AFR-9066

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

exhaust seat,AFR BB Chevy 24° Beryllium Exhaust Seat 2.000 OD x 1.570 ID x .375

Part Number: AFR-9064B

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

+.010 AFR BBC Oversize Exhaust Seat

Part Number: AFR-9064OS

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Valve Seat Insert, Exhaust, Ductile Iron, 1.600 in. i.d., 1.696 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9070

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Valve Seat Inserts, Exhaust, Ductile Iron, 1.350 in. I.D., 1.650 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9069

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Head, 185cc Enforcer, Aluminum, Assembled, 64cc Combustion Chamber, 2.02 in. Intake Valve, 1.6 in. Exhaust Valve, Ford, Small Block, Each

Part Number: AFR-1351

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Valve Seat Insert, Intake, Ductile Iron, 2.000 in. i.d., 1.570 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9064

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Street Porting, Aluminum, Assembled, 75cc Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1038

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Rocker Arm Studs, 7/16-20 in. Thread, 2.010 in. Effective Stud Length, Chevy, Big Block, Exhaust, Set of 8

Part Number: AFR-6406-8

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Aluminum, Assembled, 62cc Combustion Chamber, 230cc Intake, Chevy, Small Block, LS1, Pair

Part Number: AFR-1610

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Aluminum, Bare, 190cc Intake, 64cc Exhaust, 65cc Chamber, Chevy, Small Block, Pair

Part Number: AFR-0912NP

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each

Part Number: AFR-3001

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each

Part Number: AFR-1501

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Eliminator Street, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1034

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Race Porting, Aluminum, Assembled, 58cc Chamber, 205cc Intake, Ford, Small Block, Pair

Part Number: AFR-1450

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 220cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1065

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1506

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Street Porting, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1040

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Eliminator Competition, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block

Part Number: AFR-1095-716

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Aluminum, Assembled, 75cc Combustion Chamber, 220cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1066

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Enforcer, Aluminum, Assembled, 69cc Chamber, 200cc Intake, Hydraulic Roller, Straight Plug, Small Block, Chevy, Each

Part Number: AFR-1011

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Competition Porting, Aluminum, Assembled, 65cc Chamber, 210cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1103

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Cylinder Heads, Race Porting, Aluminum, Assembled, 65cc Chamber, 210cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1054

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air