Airflow Research (AFR) Engines & Components

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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Cylinder Head, 185cc Enforcer, Aluminum, Assembled, 64cc Combustion Chamber, Ford, Small Block, Each

Part Number: AFR-1352

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

Part Number: AFR-1007

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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: Dec 15, 2025 if ordered today

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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: Dec 15, 2025 if ordered today

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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: Dec 15, 2025 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 )

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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 )

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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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Valve Springs, Replacement, Dual, 629 lbs./in. Spring Rate, Electroplate Polishing, Solid Roller, Each

Part Number: AFR-8031-1

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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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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 )

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Valve, Replacement, Intake, 2.020 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Each

Part Number: AFR-7207-1

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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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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, Intake, Ductile Iron, 1.720 in. I.D., 2.132 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9059

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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: Dec 15, 2025 if ordered today

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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, 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: Dec 15, 2025 if ordered today

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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: Tomorrow

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, 1.600 in. Diameter, 8mm Stem, 5.040 in. Length, Each

Part Number: AFR-7260-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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