Airflow Research (AFR) Engines & Components

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: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

Valve, Intake, Stainless Steel, 2.100 in. Diameter, 8mm Stem, 5.000 in. Length, Beadlock, Chevy, Ford, Each

Part Number: AFR-7256-1

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Estimated Ship Date: Monday 2/2/2026

Valve Springs, Replacement, Single, 1.290 in. O.D., 1.050 in. Coil Bind Height, 0.600 in. Maximum Valve Lift, Set of 16

Part Number: AFR-8017-16

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Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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Valve Springs, Replacement, Dual, 629 lbs./in. Spring Rate, Electroplate Polishing, Solid Roller, Set of 16

Part Number: AFR-8031-16

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Estimated Ship Date: Monday 2/2/2026

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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: Monday 2/2/2026

Valve, Intake, Stainless Steel, 2.100 in. Diameter, 8mm Stem, 5.000 in. Length, Beadlock, Chevy, Ford, Set of 8

Part Number: AFR-7256-8

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Estimated Ship Date: Monday 2/2/2026

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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 )

Estimated Ship Date: Monday 2/2/2026

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 ( 2 )

Estimated Ship Date: Monday 2/2/2026

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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Estimated Ship Date: Monday 2/2/2026

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

Part Number: AFR-6704

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/2/2026

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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 )

Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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: Monday 2/2/2026

Rocker Arm Nuts, Stud Girdle Replacement Nuts, Polylock, 3/8-24 in., Use with Small Block Chevy and Small Block Ford AFR Stud Girdles, Set of 16

Part Number: AFR-6216-16

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Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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: Monday 2/2/2026

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

Part Number: AFR-7228-8

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Estimated Ship Date: Monday 2/2/2026

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Camshaft & Morel Link Bar Lifter Kit Small Block Stg 2

Part Number: AFR-5804

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Estimated Ship Date: Monday 2/2/2026

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Camshaft, Stage 1, OE Hydraulic Roller, Drag Race, 0.533 Intake, 0.548 Exhaust, 224/230 Duration, Chevy, Each

Part Number: AFR-6015

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Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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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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Estimated Ship Date: Monday 2/2/2026

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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Estimated Ship Date: Monday 2/2/2026