ARP 1/2-20 12-point nut kit (set of ten) supplies ten high-quality 12-point nuts sized for 1/2-20 thread applications and compatible with an 11/16 socket. The kit is intended as a replacement or hardware set for assemblies that call for 12-point nuts in that thread size, providing the correct engagement for the specified socket and thread configuration during engine or chassis reassembly.
ARP 1/2-20 11/16 Socket 12pt Nut Kit (Set of 10)