Airflow Research (AFR) Engines & Components

Cylinder Head Fastener, Stud, ARP2000, Black Oxide, 7/16 in. to 3/8 in., Stepped, 4 1/2 in. Long, Black Finish, Chevy, Small Block, Each

Part Number: AFR-6404

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Valve Spring Retainer, Titanium, 7 degree Lock, 1.245 in., Dual Spring, Each

Part Number: AFR-8515-1

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Estimated Ship Date: May 4, 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 )

Estimated Ship Date: Today

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: May 4, 2026 if ordered today

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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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Valve Seat Inserts, Exhaust, Ductile Iron, 1.350 in. I.D., 1.650 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9069

5.0 out of 5 stars ( 1 )

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Cylinder Heads, Street Porting, Aluminum, Assembled, 66cc Chamber, 205cc Intake, Chevy, Small Block, LS, Pair

Part Number: AFR-1510

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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: May 4, 2026 if ordered today

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Valve Spring Retainer, Titanium, 7 degree Lock, 1.245 in., Dual Spring, Set of 16

Part Number: AFR-8515-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Valve, Replacement, Intake, Stainless Steel, 1.600 in. Diameter, 8mm Stem, 5.100 in. Length, Ford, Each

Part Number: AFR-7264-1

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Valve Cover Grommet, PCV, 1.250 in. Outside Diameter, 0.750 in. Inside Diameter, Each

Part Number: AFR-6733

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Valve Spring Retainer, 10 degree, 1.500 in. O.D., Steel, Each

Part Number: AFR-8511-1

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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 )

Estimated Ship Date: Today

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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Estimated Ship Date: May 4, 2026 if ordered today

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Valves, AFR Inconel Valves, Exhaust, 1.570 in. Head Diameter, .315 in. Valve Stem Diameter, 5.030 in. Overall Length, Ford, Sold as a Set of 8

Part Number: AFR-7247-8

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Estimated Ship Date: May 4, 2026 if ordered today

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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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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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Estimated Ship Date: May 4, 2026 if ordered today

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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 )

Estimated Ship Date: Today

Valves, BBC 24° Stainless Steel 1.880 x 5.450 O.A.L. 11/32 Stem (Nail Head) Race Exhaust Valve, Set

Part Number: AFR-7630-8

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Estimated Ship Date: May 4, 2026 if ordered today

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Valves, BBC 24° Stainless Steel 2.300 x 5.500 O.A.L. 11/32 Stem Race Intake Valve, Set

Part Number: AFR-7626-8

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Estimated Ship Date: May 4, 2026 if ordered today

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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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Valves, LS3 Solid Stem Valve, 1.600 X 5.200 O.A.L. Race Exhaust Valve, 1 Ea.

Part Number: AFR-7212-1

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Estimated Ship Date: May 4, 2026 if ordered today

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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, 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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Valve Spring Seat, Steel, 1.640 in. I.D., 1.740 in. O.D., Set of 16

Part Number: AFR-8046-16

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