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ARP 3/8-24 1/2 socket 12-point nut kit that supplies 3/8-24 threaded, 12-point nuts with a 1/2" socket profile. Intended for engine and hardware use where 12-point fasteners are required, the kit gives replacement nuts for service, rebuilds, or maintenance jobs. Use it to match existing 3/8-24 threaded studs and retain factory-style fastening geometry.
ARP 3/8-24 1/2 Socket 12pt Nut Kit
