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The ARP 1/2-20 12-point nut kit supplies 12-point nuts sized for 1/2-20 threads, packaged as a hardware kit for engine or assembly use. The description identifies the 12-point geometry and 1/2-20 sizing suitable for mating with corresponding studs or bolts. Use this kit when 12-point 1/2-20 nuts are required for proper assembly and service in compatible applications.
ARP 1/2-20 12pt Nut Kit
