Air Flow Research (AFR) Cylinder Heads & More

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: Feb 16, 2026 if ordered today

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

Part Number: AFR-6214-1

5.0 out of 5 stars ( 3 )

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Valve Springs, Solid Roller Spring 1.550 O.D. Custom PAC Racing Spring, Each

Part Number: AFR-8000-1

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

Part Number: AFR-6215-1

1.0 out of 5 stars ( 1 )

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Valve Springs, Street Hydraulic/Solid Roller Spring 1.550 O.D. PAC #1940, Each

Part Number: AFR-8002-1

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Valve, Replacement, Intake, 2.080 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Each

Part Number: AFR-7208-1

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Intake Manifold, Carbureted, Single Plane, Aluminum, 3,000-7,500 RPM Range, Each

Part Number: AFR-4993

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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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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Valve, Exhaust, Inconel, 1.600 in. Head Diameter, 8.00mm Stem Diameter, 4.900 in. Overall Length, Chevrolet, LS1, Each

Part Number: AFR-7233-1

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Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Size, 1.00 in. Nut Length, 1.895 in. Overall Length, Each

Part Number: AFR-6409-1

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Valves, BBF 11/32" Inconel 1.760 X 5.050 O.A.L. Race Exhaust Valve, Set

Part Number: AFR-7555-8

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Lash Cap, Steel, 0.080 in. Thickness, 8.74mm Valve Stem Diameter, SBF, SBC, LSX, Each

Part Number: AFR-6608-1

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Valve Seat Insert, Intake, Ductile Iron, 2.000 in. i.d., 1.570 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9064

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Valve, Replacement, Exhaust, Stainless Steel, 1.570 in. Diameter, 8mm Stem, 5.030 in. Length, Ford, Set of 8

Part Number: AFR-7248-8

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Valve, Replacement, Intake, 2.080 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Set of 8

Part Number: AFR-7208-8

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

Part Number: AFR-9005-1

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .344 in. Stem, 4.903 in. Length, Chevy, Each

Part Number: AFR-7204

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Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Each

Part Number: AFR-9041-1

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Camshaft, Stage 2, OE Hydraulic Roller, Drag Race, 0.548 Intake, 0.548 Exhaust, 230/236 Duration, Chevy, Each

Part Number: AFR-6016

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .343 in. Stem, 4.970 in. Length, Each

Part Number: AFR-7219

5.0 out of 5 stars ( 2 )

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

Part Number: AFR-8514-1

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Valve, Replacement, Exhaust, Stainless Steel, 1.900 in. Diameter, 8mm Stem, 4.900 in. Length, Ford, Set of 8

Part Number: AFR-7249-8

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SBF Valve Cover Gasket - Top End Kit

Part Number: AFR-6840

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

Part Number: AFR-8518-16

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Valve, Replacement, Intake, Stainless Steel, 1.900 in. Diameter, 8mm Stem, 5.080 in. Length, Ford, Each

Part Number: AFR-7262-1

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