Airflow Research (AFR) Engines & Components

Valve Guides, Bronze, 0.315 in. I.D., 0.502 in. O.D., 2.100 in. Length, Use with LSX, Small Block Chevy and Small Block Ford Engines, Each

Part Number: AFR-9051-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, 8mm Stem, 4.950 in. Length, Chevy, Ford, Each

Part Number: AFR-7250-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve, Intake, Stainless Steel, 2.050 in. Diameter, 8mm Stem, 4.900 in. Length, Chevy, Ford, Each

Part Number: AFR-7252-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-7251-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve Springs, Pacaloy Hydraulic Roller Spring 1.290 O.D., Premium Grade Chrome Silicon, Each

Part Number: AFR-8017-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve Seat Insert, Intake, Ductile Iron, 1.780 in. i.d., 2.200 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9060

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Valve Seat Insert, Exhaust, Ductile Iron, 1.600 in. i.d., 1.696 in. o.d., 0.375 in. Thick, Chevy, Small Block

Part Number: AFR-9070

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-9059

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-8002-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-8000-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-7249-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-6109-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-8515-1

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

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: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-7264-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: AFR-9041-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air