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The ARP 9/16-18 12-point stainless steel nut kit supplies 12-point nuts for 9/16-18 threaded fasteners. With a multi-point profile, these nuts accommodate common tools and restore reliable clamping where original nuts are worn. The kit is intended for general engine and accessory hardware replacement during maintenance or repairs.
ARP 9/16-18 SS 12pt nut kit
