Air Flow Research (AFR) Cylinder Heads & More

Gaskets, Exhaust Header, Steel Core Laminate, 2.130 in. Round Port, Chevy, Big Block, Set

Part Number: AFR-6858

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/29/2025

Stud Girdles, Clamp-on, Aluminum, Blue Anodized, Chevy, Big Block, AFR, Pair

Part Number: AFR-6202

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/29/2025

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Gaskets, Intake Manifold, Printoseal, 2.50 in. x 1.775 in. Port, Chevy, Big Block, Set

Part Number: AFR-6856

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

Valve Stem Seal, 8mm Diameter, Viton® Rubber, Positive Stop, Set of 16

Part Number: AFR-6612-16

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/29/2025

Intake Manifold, Eliminator, Single Plane, Aluminum, Natural, Square Bore, Chevrolet, Small Block, Each

Part Number: AFR-4810

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Rocker Arm Stud Girdle, Aluminum, Ford, Small Block, Pair

Part Number: AFR-6207

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/29/2025

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Intake Manifold, Eliminator, CNC Port Matched, Single Plane, Aluminum, Natural, Square Bore, Chevrolet, Small Block, Each

Part Number: AFR-4810PM

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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Valve Spring Retainer, Titanium, 10 degree Lock, 1.500 in., Dual Spring, Set of 16

Part Number: AFR-8505-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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

Part Number: AFR-6705

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 12/29/2025

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Guide Plates, 3/8 in. Push Rod Size, Raised Guide Plate Style, Black Oxide Finish, Set of 8

Part Number: AFR-6109-8

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/29/2025

Lash Cap, Steel, 0.080 in. Thickness, 8.00mm Valve Stem Diameter, SBF, SBC, LSX, Each

Part Number: AFR-6609-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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

Part Number: AFR-7256-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Valve Springs, Replacement, Dual, 640 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, 1.550 in. O.D., for Use with Solid Roller Camshafts, Set of 16

Part Number: AFR-8001-16

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Intake Gaskets, Composite, Rectangle Ports, Chevy, Big Block, Pair

Part Number: AFR-6855

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/29/2025

Valve Locks, 1-groove Beadlock-style, 10 degree, Machined, Steel, 0.314 in. Stem Diameter, Set of 16

Part Number: AFR-9009-16

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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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 12/29/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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: Monday 12/29/2025

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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 12/29/2025

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

Part Number: AFR-7631-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025