Air Flow Research (AFR) Cylinder Heads & More

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, Replacement, Standard Style, Dual, 1.550 in. O.D., 640 lbs./in. Spring Rate, for Use with Solid Roller Camshafts, Each

Part Number: AFR-8001-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: AFR-6216-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Spring Shim, 0.030 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6326-16

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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, Each

Part Number: AFR-8042-1

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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 Spring Retainers, Titanium, 10 Degree, 1.500 in. O.D., Use with 8000, 8002, 8005, 8016, and 8023 Springs, Each

Part Number: AFR-8505-1

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

Part Number: AFR-7253-1

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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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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 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 )

Estimated Ship Date: Today

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, Replacement, Exhaust, Stainless, 1.600 in. Diameter, 8mm Stem, 5.040 in. Length, Set of 8

Part Number: AFR-7260-8

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Estimated Ship Date: Nov 6, 2025 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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Valves, BBC 24° Stainless Steel 1.880 x 5.450 O.A.L. STD 11/32 Tulip Race Exhaust Valve, Set

Part Number: AFR-7631-8

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Valve Spring Locators, Inside Shoulder Type, 1.440 in. O.D., 0.740 in. I.D., Use with AFR 8020 Valve Springs, Steel, Set of 16

Part Number: AFR-8043-16

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Intake Manifold Gaskets, Printoseal, Rectangular Port Style, Replacement Gaskets for the AFR 18 Degree Cylinder Heads, Chevrolet, Big Block, Pair

Part Number: AFR-6880

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

Part Number: AFR-1007

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Valve Spring Shim, 0.015 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6325-16

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

Part Number: AFR-8515-1

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Estimated Ship Date: Nov 6, 2025 if ordered 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, Each

Part Number: AFR-6405-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: AFR-8518-16

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Estimated Ship Date: Nov 6, 2025 if ordered today

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

Part Number: AFR-8000-1

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