Airflow Research (AFR) Cylinder Heads

Cylinder Head Bolt, Bushing, Steel, Black Zinc, 1/2 in. O.D. x 7/16 in. I.D., Ford, Small Block, Set of 20

Part Number: AFR-6324

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Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Set of 8

Part Number: AFR-9041-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Valve Guide, 11/32 in., Bronze, Intake, Chevy, Big Block, Set of 8

Part Number: AFR-9042-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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LS3 8mm Bronze Guide, .502 OD, Set of 16

Part Number: AFR-9053-16

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Valve Guide, Intake, Bronze, Chevy, Big Block, Set of 8

Part Number: AFR-9045-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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AFR BBC 18° 11/32 Bronze Guide, .502" OD, Set of 16

Part Number: AFR-9055-16

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Estimated Ship Date: Feb 24, 2026 if ordered today

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