Airflow Research (AFR) Engines & Components

Valve Spring, Standard, Single Spring, 1.270 in. Outer Spring Diameter, 0.645 in. Inner Spring Diameter, 1.080 in. Coil Bind Height, Set of 16

Part Number: AFR-8019-16

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Valve Springs, Replacement, Standard Style, Dual, 1.550 in. O.D., 550 lbs./in. Spring Rate, for Use with Solid Roller Camshafts, Set of 16

Part Number: AFR-8000-16

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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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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 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 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, 629 lbs./in. Spring Rate, Electroplate Polishing, Solid Roller, Set of 16

Part Number: AFR-8031-16

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Valves, Inconel, Exhaust, 1.880 in. Diameter, 0.344 in. Stem, 5.450 in. Length, Chevy, Big Block, Each

Part Number: AFR-7633-8

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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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Estimated Ship Date: May 4, 2026 if ordered today

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Valves, Inconel, Exhaust, 1.600 in. Head Diameter, 0.315 in. Stem Diameter, 5.200 in. Length, Beadlock 1-Groove, Chevy, 6.0L, LS3, Set of 8

Part Number: AFR-7213-8

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

Part Number: AFR-6723

5.0 out of 5 stars ( 3 )

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Camshaft, Stage 1, OE Hydraulic Roller, Drag Race, 0.533 Intake, 0.548 Exhaust, 224/230 Duration, Chevy, Each

Part Number: AFR-6015

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

Part Number: AFR-6722

5.0 out of 5 stars ( 2 )

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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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Estimated Ship Date: May 4, 2026 if ordered today

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Camshaft, Stage 2, OE Hydraulic Roller, Drag Race, 0.548 Intake, 0.548 Exhaust, 230/236 Duration, Chevy, Each

Part Number: AFR-6016

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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 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: May 4, 2026 if ordered today

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Valves, AFR Inconel Valves, Exhaust, 1.570 in. Head Diameter, .315 in. Valve Stem Diameter, 5.030 in. Overall Length, Ford, Sold as a Set of 8

Part Number: AFR-7247-8

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Estimated Ship Date: May 4, 2026 if ordered today

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Valves, BBF 11/32" Inconel 1.760 X 5.050 O.A.L. Race Exhaust Valve, Set

Part Number: AFR-7555-8

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Estimated Ship Date: May 4, 2026 if ordered today

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Titanium 10 degree Retainer 1.490 OD x 1.180 ID x .765 ID for BBC, Set of 16

Part Number: AFR-8507-16

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Estimated Ship Date: May 4, 2026 if ordered today

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185cc SBF Enforcer

Part Number: AFR-1342

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Estimated Ship Date: May 4, 2026 if ordered today

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Valve Spring Retainers, BBC Titanium Retainer for Spring #8014, Set of 16

Part Number: AFR-8517-16

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Estimated Ship Date: May 4, 2026 if ordered today

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Mopar Gen3 10° 1.250 OD Ti Retainer, Set of 16

Part Number: AFR-8520-16

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Estimated Ship Date: May 4, 2026 if ordered today

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Valves, BBC 18° 11/32 Inconel 1.800 X 5.935 O.A.L. Tulip Race Exhaust Valve, Set

Part Number: AFR-7423-8

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Estimated Ship Date: May 4, 2026 if ordered today

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