Airflow Research (AFR) Cylinder Heads

Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8.74mm Stem Diameter, 0.513 in, Guide Diameter, 0.675 in. O.D., Each

Part Number: AFR-6614

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Estimated Ship Date: Tomorrow

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

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Estimated Ship Date: Tomorrow

Top End Engine Kit, Angle Plug Heads, Dual Plane Intake, Valve Covers, Gaskets, Head Bolts, Intake Manifold Bolts, Spark Plugs, Chevy, Kit

Part Number: AFR-3901-TEKT

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Top End Engine Kit, Straight Plug Heads, Dual Plane Intake, Valve Covers, Gaskets, Head Bolts, Intake Manifold Bolts, Spark Plugs, Chevy, Kit

Part Number: AFR-3900-TEKT

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Estimated Ship Date: Nov 19, 2025 if ordered today

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