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!
USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft
Spartan Locker for GM 8.5", 28 spline axles, includes heavy-duty cross pin shaft
8.5" GM 28spl SPARTAN LOCKER with_X/P
Differential Spool
Spartan Locker
SL GM8.5-28