Airflow Research (AFR) Engines & Components

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

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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 10, 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 )

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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 10, 2025 if ordered today

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

Part Number: AFR-8511-16

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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 )

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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, 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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Valve, Intake, Stainless Steel, 2.050 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Each

Part Number: AFR-7252-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.050 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Set of 8

Part Number: AFR-7252-8

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Valve, Replacement, Intake, 2.020 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Set of 8

Part Number: AFR-7207-8

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Valve Locks, 0.314 in. Stem Diameter, 7 Degree, 1-Groove Beadlock Style, Steel, Machined, Pair

Part Number: AFR-9007-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Spring, Standard, Single Spring, 1.437 in. Outer Spring Diameter, 0.720 in. Inner Spring Diameter, 1.090 in. Coil Bind Height, Set of 16

Part Number: AFR-8020-16

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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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Exhaust Valve, Stainless Steel, 1.880 in. Diameter, 0.343 in. Stem, 5.450 in. Length, Chevy, Big Block, Each

Part Number: AFR-7633-1

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Cylinder Heads, CNC Chambers, Aluminum, Assembled, 121cc Chamber, 345cc Intake, Chevy, Big Block, Pair

Part Number: AFR-2110-1

3.67 out of 5 stars ( 3 )

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Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8 mm Stem Diameter, 0.490 in, Guide Diameter, 0.620 in. O.D.,

Part Number: AFR-6615

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valves, Stainless Steel, Intake, 2.165 in. Head Diameter, 0.315 in. Stem Diameter, 5.195 in. Length, Beadlock 1-Groove, Chevy, 6.0L, LS3, Set of 8

Part Number: AFR-7214-8

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Valve Cover Grommet, PCV, 1.250 in. Outside Diameter, 0.938 in. Inside Diameter, Each

Part Number: AFR-6734

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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

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Retainer, 10 degree, Chromoly Steel, for Dual Valve Spring (1.450 in. Outer Spring o.d.), Set of 16

Part Number: AFR-8510-16

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Valves, Inconel, Exhaust, 1.600 in. Head Diameter, 0.315 in. Stem Diameter, 5.200 in. Length, Beadlock 1-Groove, Chevy, 6.0L, LS3, Set of 8

Part Number: AFR-7213-8

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Valve Locks, 10 degree, 1-groove, Alloy Steel, Machined, 0.343 in. Stem Diameter, Set of 16

Part Number: AFR-9005-16

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