Auburn Gear GM 8.5in. 28 Spline 10 Bolt Max Lock - 544905 JKHCU52_624

Product details:

They are automatic full lockers that provide both 4WDs and 2WDs with optimized traction--all the time, even in the most unforgiving conditions! These performance lockers deliver an enhanced transfer of power to the wheels, a rapid reaction to changing road conditions, and the elimination of wheel spin. That means you're on track with the self-assurance of a winner!.