RL-D02 Rev HD Rev Loc Universal Locking Spindle Nut for Drive Axle
Rev-Loc Universal Spindle Nuts work on all heavy-duty applications, including RP-618, preset hubs, or the Doctor PreLoad tool. Replaces 449-4973, AX12-3250, 614973. Outer bearing is a 580, and a 4-3/8", 8 point socket is needed.