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This ARP 3/8-24 12-point nut kit supplies ten 1/2" socket nuts with a .645" flange OD, intended as high-strength fasteners for engine or drivetrain hardware. ARP nuts are made to precise standards for use where a durable, tight fastener is required; the kit format provides multiple nuts for assembly or repair jobs that require reliable, repeatable torque retention.
ARP 3/8-24 1/2 Socket .645 Flange OD 12pt Nut Kit (10 pack)
