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The ARP 9/16"-18 12-point nut kit (pack of 10) is a straightforward replacement set for assemblies using 9/16"-18 threads. Supplied as ten 12-point nuts, it provides a neat option for engine or drivetrain reassembly, repair, or tune-up work where the correct thread engagement and compact 12-point head geometry are required for installation with common sockets.
ARP 9/16in -18 12pt Nut Kit (Pack of 10)
