Airflow Research (AFR) Engines & Components

Valve Guides, Bronze, 0.315 in. I.D., 0.502 in. O.D., 2.100 in. Length, Use with LSX, Small Block Chevy and Small Block Ford Engines, Each

Part Number: AFR-9051-1

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Exhaust Valve, Stainless Steel, 1.880 in. Diameter, .344 in. Stem, 5.450 in. Length, Each

Part Number: AFR-7631-1

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Valve Covers, Tall Height, Cast Aluminum, Polished, AFR Logo, Chevy, Big Block, Pair

Part Number: AFR-6722

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Rocker Arms, Full Roller, 0.050 in. Intake Offset, 1.6 Ratio, Aluminum, Orange, Chevy, Small Block, Set of 16

Part Number: AFR-6036

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Size, 0.850 in. Nut Length, 1.900 in. Overall Length, Set of 16

Part Number: AFR-6405-16

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Valve, PCV, 90 degree, Aluminum, Polished, 0.375 in. Nipple Inlet, Each

Part Number: AFR-6732

4.68 out of 5 stars ( 19 )

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, 8mm Stem, 5.000 in. Length, Chevy, Set of 8

Part Number: AFR-7255-8

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Valve Cover Breather, Round, Push-in, Aluminum, Natural, 2.5 in. Height, 1.25 in. Hole Size, Each

Part Number: AFR-6731

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

Rocker Arm Nuts, Stud Girdle Replacement Nuts, Full Roller, Polylock, 7/16-20 in., 2.60 in. Overall Length, Set of 8

Part Number: AFR-6215-8

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Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 200cc Intake, Hydraulic Flat Tappet, Straight Plug, Chevrolet, Small Block, Each

Part Number: AFR-1011FT

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Estimated Ship Date: Nov 3, 2025 if ordered 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, Each

Part Number: AFR-7257-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Thread, 2.00 in. Stud Length, Chevy, Ford, Big Block, Set of 8

Part Number: AFR-6407-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Locks, 0.314 in. Stem Diameter, 7 Degree, 1-Groove Beadlock Style, Steel, Machined, Set of 32

Part Number: AFR-9007-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Head, Enforcer, Aluminum, Bare, 64cc Chamber, 195cc Intake, Angle Plug, Chevrolet, Small Block, Each

Part Number: AFR-1017

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Valve Covers, Tall Height, Cast Aluminum, Polished, AFR Logo, Ford, Small Block, Pair

Part Number: AFR-6714

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Valve Covers, Tall Height, Cast Aluminum, Black, AFR Logo, Ford, Small Block, Pair

Part Number: AFR-6715

4.5 out of 5 stars ( 6 )

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, 8mm Stem, 5.000 in. Length, Chevy, Each

Part Number: AFR-7255-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, 8mm Stem, 4.950 in. Length, Chevy, Ford, Each

Part Number: AFR-7250-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8.74mm Stem Diameter, 0.513 in, Guide Diameter, 0.675 in. O.D., Each

Part Number: AFR-6614

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Valve, Replacement, Intake, Stainless, 2.300 in. Diameter, 5.500 in. Length, Chevy, Big Block, AFR, Each

Part Number: AFR-7626-1

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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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CYLINDER HEAD

Part Number: AFR-1502

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.125 in. Diameter, 8mm Stem, 5.000 in. Length, Chevy, Set of 8

Part Number: AFR-7253-8

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Valve Spring Locators, Outside Shoulder Type, 1.380 in. O.D., 0.570 in. I.D., Use with AFR 8017 and 8019 Valve Springs, Steel, Set of 16

Part Number: AFR-8042-16

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Valve Spring Retainers, Chromoly Steel, 7 Degree, Single Spring, 1.250 in. O.D., Use with 8017 and 8019 Springs, Set of 16

Part Number: AFR-8514-16

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