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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!
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: Today
Estimated Ship Date: 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
+.010 AFR SB Ford/LS1 Oversize Exhaust Seat
Part Number: AFR-9069OS
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
+.010 AFR SBC Oversize Exhaust Seat
Part Number: AFR-9070OS
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
+.010 AFR BBC Oversize Exhaust Seat
Part Number: AFR-9064OS
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Today
Estimated Ship Date: Today
Valve Seat Inserts, Exhaust, Ductile Iron, 1.350 in. I.D., 1.650 in. O.D., Chevrolet, Ford, Each
Part Number: AFR-9069
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Aluminum, Bare, 190cc Intake, 64cc Exhaust, 65cc Chamber, Chevy, Small Block, Pair
Part Number: AFR-0912NP
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Cylinder Heads, 377cc Magnum BBC Competition Racing Heads, Aluminum, Bare, 121cc Chamber, 377cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair
Part Number: AFR-3575
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Cylinder Heads, Aluminum, Assembled, 190cc Intake, 64cc Exhaust, 65cc Chamber, Chevy, Small Block, Pair
Part Number: AFR-0912
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Aluminum, 245cc Intake Runner Volume, 80cc Exhaust Runner Volume, SBC, Pair
Part Number: AFR-1137-TI
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, 335cc Enforcer, Bare, 2.250 in. Intake Valve Seats, Aluminum, Chevy, Big Block, Each
Part Number: AFR-3002
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, 195cc SBF Renegade Competition, Aluminum, Assembled, 72cc Chamber, 195cc Intake, Square Exhaust Port, Ford, Small Block Windsor, Pair
Part Number: AFR-1383-716
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, 185cc Black Hawk Gen 3 Cylinder Head, Left Side, 2.050 in. Intake, 1.590 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each
Part Number: AFR-2509
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, 212cc Black Hawk Gen 3 Cylinder Head, Left Side, 2.125 in. Intake, 1.650 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each
Part Number: AFR-2521
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each
Part Number: AFR-1501
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 220cc Intake, Chevy, Small Block, Pair
Part Number: AFR-1065
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Eliminator Street, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair
Part Number: AFR-1034
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, 457cc Magnum BBC 18 Degree, Aluminum, Bare, 96cc Chamber, 457cc Intake, Round Exhaust Port, Chevrolet, Big Block, Each
Part Number: AFR-3707
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Cylinder Heads, 385cc Magnum BBC Competition Racing Heads, Aluminum, Bare, 121cc Chamber, 385cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair
Part Number: AFR-3580
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Cylinder Heads, 195cc SBF Renegade Competition, Aluminum, Bare, 58cc Chamber, 195cc Intake, Square Exhaust Port, Ford, Small Block Windsor, Pair
Part Number: AFR-1382
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
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