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ARP 12-point nut kit supplies ten 5/8-18 12-point nuts for engine or hardware applications requiring that size and drive style. Packaged as a 10-piece set, these nuts are intended to match compatible fasteners where a 12-point profile is preferred for installation with standard sockets. Use when replacing multiple nuts to ensure consistent thread engagement and fastening reliability.
ARP 5/8 -18in 12pt Nut Kit (Pack of 10)
