USA Standard Spartan Locker For Dana 30 Diff w/ 27 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft - SL D30-27

The Spartan Locker by USA Standard Gear provides reliable traction at a low cost. The Spartan Locker's patent pending design replaces the spider gears in a standard carrier case, does not use the...

USA Standard Spartan Locker For Chrysler 8.25in w/ 29 Spline Axles - SL C8.25-29

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...