ARP 8740 Chromoly 12-Point Nut Kit - 7/16-20

This ARP 12-point nut is machined from 8740 chromoly steel with a black oxide finish and rated at 180,000 psi tensile strength. The 7/16-20 thread and 12-point head give a high-strength, aerospace-quality replacement for factory nuts on studded engine and driveline hardware.

Specifications