USA Standard Spartan Locker For Dana 44HD Diff w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft - SL D44HD-30

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!