Airflow Research (AFR) Engines & Components

Valve Spring Retainer, 10 degree, 1.500 in. O.D., Steel, Set of 16

Part Number: AFR-8511-16

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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: Today

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Cylinder Heads, Street Porting, Aluminum, Assembled, 72cc Chamber, 230cc Intake, Chevy, Small Block, LS1, Pair

Part Number: AFR-1630

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Valve Springs, Pacaloy Hydraulic Roller Spring 1.290 O.D., Premium Grade Chrome Silicon, Each

Part Number: AFR-8017-1

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Valve, Intake, Dished, 2.250 in. Head Diameter, 0.250 in. Over Installed Length, Chevy, Big Block, Each

Part Number: AFR-7620-1

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Cylinder Heads, 195cc SBC Eliminator LT, Aluminum, Assembled, 54cc Chamber, 195cc Intake, Heart Combustion Chamber, Chevrolet, 5.7L LT, Pair

Part Number: AFR-1032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Valve Springs, Replacement, Dual, 475 lbs./in. Spring Rate, 1.180 in. Coil Bind Height, for Use with Hydraulic Roller Camshafts, Set of 16

Part Number: AFR-8002-16

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Cylinder Head Bolt, Bushing, Steel, Black Zinc, 1/2 in. O.D. x 7/16 in. I.D., Ford, Small Block, Set of 20

Part Number: AFR-6324

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Valve, Replacement, Intake, Stainless, 2.350 in. Diameter, 5.500 in. Length, Chevy, Big Block, AFR, Each

Part Number: AFR-7627-1

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Cylinder Heads, CNC Blended Bowls, Aluminum, Assembled, 117cc Chamber, 325cc Intake, Chevy, Big Block, Pair

Part Number: AFR-2101

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Cylinder Heads, Street Porting, Aluminum, Assembled, 58cc Chamber, 165cc Intake, Pedestal, SBF, Pair

Part Number: AFR-1472

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Cylinder Heads, Race Porting, Aluminum, Assembled, 72cc Chamber, 205cc Intake, Ford, Small Block, Pair

Part Number: AFR-1458

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Rocker Arm Nut, Stud Girdle Replacement Nut Type, Full Roller, 7/16-20 in. Thread, Chevy, Ford, Set of 8

Part Number: AFR-6214-8

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Cylinder Heads, Bullei 14 Degree, Aluminum, Assembled, 85cc Chamber, 270cc Intake, Ford, Pair

Part Number: AFR-3805

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

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Valve Springs, Solid Flat Tappet/Street Hydraulic Roller Spring, 1.550 O.D., PAC #1924, Set of 16

Part Number: AFR-8016-16

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Heads, Magnum, Aluminum, Assembled, 113cc Chamber, 300cc Intake, Chevy, Pair

Part Number: AFR-3670

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Valves, Replacement Stainless Steel Valves, Intake, 2.020 in. Valve Head Diameter, 8.00mm Stem, 5.000 in. Length, Chevrolet, Ford, Set of 8

Part Number: AFR-7257-8

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Valve Guide, Bronze, 0.505 in. o.d., Chevy, Ford, Each

Part Number: AFR-9056

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.020 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Set of 8

Part Number: AFR-7251-8

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Guide Plates, Flat, Steel, Hardened, 5/16 in. Pushrod Slot, Ford, Chevy, Small Block, Small Block Chevy, Each

Part Number: AFR-6103-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Valve, Replacement, Exhaust, Stainless Steel, 1.600 in. Diameter, Chevy, AFR LSX, Set of 8

Part Number: AFR-7228-8

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Valve, Replacement, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.450 in. Length, Chevy, Big Block, Each

Part Number: AFR-7630-1

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Each

Part Number: AFR-7251-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve, Intake, Dished, 2.080 in. Head Diameter, 8mm Stem, 4.960 in. Length, Chevy, Ford, Small Block, Each

Part Number: AFR-7259-1

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