Air Flow Research (AFR) Cylinder Heads & More

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, 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, Replacement, Exhaust, Stainless Steel, 1.600 in. Diameter, Chevy, AFR LSX, Each

Part Number: AFR-7228-1

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

Part Number: AFR-7249-1

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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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Estimated Ship Date: Nov 3, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Set of 8

Part Number: AFR-7251-8

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Valve Spring Shim, 0.060 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6327-16

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

Part Number: AFR-6109-1

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Valve, Intake, Dished, 2.080 in. Head Diameter, 8mm Stem, 4.960 in. Length, Chevy, Ford, Small Block, Each

Part Number: AFR-7259-1

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Cylinder Head, 212cc Black Hawk Gen 3 Cylinder Head, Left Side, 2.125 in. Intake, 1.650 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2521

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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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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Head, 224cc Black Hawk Gen 3 Cylinder Head, Left Side, 2.165 in. Intake, 1.650 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2513

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Valves, Replacement Stainless Steel Valves, Intake, 2.020 in. Valve Head Diameter, 8.00mm Stem, 5.000 in. Length, Chevrolet, Ford, Set of 8

Part Number: AFR-7257-8

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Estimated Ship Date: Nov 4, 2025 if ordered today

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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 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: Nov 3, 2025 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, 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 )

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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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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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