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The ARP 7/16-20 hex nut kit supplies hex nuts sized for 7/16-20 threads for use in engine and mechanical fastener assemblies. Provided as a kit to support repair and maintenance tasks, these hex nuts match common 7/16-20 fasteners and help restore or upgrade hardware during rebuilds. Keep them available for reliable thread engagement and straightforward replacement needs.
ARP 7/16-20 hex nut kit
