ARP 9/16-12 low profile 12pt nut kit

Both kits are manufactured from premium grade chrome moly steel with a Black Oxide
finish. For applications where clearance is not an issue, the Nuts kit features a chamfered ID,beveled edge and fully CNC machined surfaces. ARP driveline Nuts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining and designed to exceed the OEM fasteners in strength and durability.