Airflow Research (AFR) Engines & Components

Rocker Arm Stud Girdle, Aluminum, Ford, Small Block, Pair

Part Number: AFR-6207

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Cylinder Heads, Street Porting, Aluminum, Assembled, 58cc Chamber, 185cc Intake, Ford, Small Block, Pair

Part Number: AFR-1422

4.71 out of 5 stars ( 7 )

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

Part Number: AFR-8505-16

5.0 out of 5 stars ( 2 )

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Valve Springs, Replacement, Dual, 640 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, 1.550 in. O.D., for Use with Solid Roller Camshafts, Set of 16

Part Number: AFR-8001-16

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Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Straight Plug, Chevrolet, Small Block, Each

Part Number: AFR-1001

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.6 in. Diameter, 8mm Stem, 5.03 in. Length, Chevy, Ford, Each

Part Number: AFR-7254-1

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Stud Girdles, Clamp-on, Aluminum, Blue Anodized, Chevy, Big Block, AFR, Pair

Part Number: AFR-6202

4.64 out of 5 stars ( 11 )

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Valve, Intake, Stainless Steel, 2.100 in. Diameter, 8mm Stem, 5.000 in. Length, Beadlock, Chevy, Ford, Each

Part Number: AFR-7256-1

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Cylinder Head, Enforcer, Aluminum, Bare, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1507

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Lash Cap, Steel, 0.080 in. Thickness, 8.00mm Valve Stem Diameter, SBF, SBC, LSX, Each

Part Number: AFR-6609-1

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

Part Number: AFR-6109-8

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Valve Locks, 1-groove Beadlock-style, 10 degree, Machined, Steel, 0.314 in. Stem Diameter, Set of 16

Part Number: AFR-9009-16

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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, Set of 16

Part Number: AFR-6405-16

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Cylinder Heads, Aluminum, Oval Port, Assembled, CNC, As Cast, 265cc Intake Runner, Chevy, Big Block, Pair

Part Number: AFR-3620-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Valve Covers, Tall Height, Cast Aluminum, Black, AFR Logo, Chevy, Small Block, Pair

Part Number: AFR-6705

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

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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

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Valve, PCV, 90 degree, Aluminum, Polished, 0.375 in. Nipple Inlet, Each

Part Number: AFR-6732

4.68 out of 5 stars ( 19 )

Estimated Ship Date: Today

Rocker Arms, Full Roller, 0.050 in. Intake Offset, 1.6 Ratio, Aluminum, Orange, Chevy, Small Block, Set of 16

Part Number: AFR-6036

5.0 out of 5 stars ( 2 )

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Valve Springs, Replacement, Dual, 475 lbs./in. Spring Rate, 1.180 in. Coil Bind Height, for Use with Hydraulic Roller Camshafts, Set of 16

Part Number: AFR-8002-16

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Exhaust Valve, Stainless Steel, 1.880 in. Diameter, .344 in. Stem, 5.450 in. Length, Each

Part Number: AFR-7631-1

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Valve, Replacement, Intake, Stainless, 2.300 in. Diameter, 5.500 in. Length, Chevy, Big Block, AFR, Each

Part Number: AFR-7626-1

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Valve Springs, Replacement, Single, 1.290 in. O.D., 1.050 in. Coil Bind Height, 0.600 in. Maximum Valve Lift, Set of 16

Part Number: AFR-8017-16

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, 8mm Stem, 5.000 in. Length, Chevy, Set of 8

Part Number: AFR-7255-8

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Valve Locks, 0.314 in. Stem Diameter, 7 Degree, 1-Groove Beadlock Style, Steel, Machined, Set of 32

Part Number: AFR-9007-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Covers, Tall Height, Cast Aluminum, Polished, AFR Logo, Chevy, Big Block, Pair

Part Number: AFR-6722

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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