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The ARP 9/16-18 12-point stainless steel nut kit provides 12-point nuts sized for 9/16-18 threads. The 12-point design allows versatile socket access and secure fastening for engine or accessory connections. This nut kit is offered to match common fastener sizes encountered in mechanical service and rebuilds, simplifying hardware replacement.
ARP 9/16-18 SS 12pt nut kit
