Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The ARP hex nut sold individually is a single 12-20 threaded hex nut intended to secure fasteners in engine hardware assemblies. Offered as a standalone piece, it provides a straightforward replacement or spare for repair and maintenance jobs where a matched, correctly sized nut is required. Use it wherever a 12-20 hex fastener is specified to restore proper clamping.
ARP 12 inch-20 Hex Nut Kit
