GM 10 BOLT 8.5" Powertrax Lock-Right 30 Spline

If you need traction to both wheels on your GM 10 bolt 8.5 inch differential at a low cost, a Lockright Locker is your answer. The simple design of the Lockright Locker has proven itself as capable and dependable in the most demanding conditions your GM 10 bolt 8.5" diff is going to encounter. In addition these Lockright diff lockers come with a manufacturers 2 year warranty.