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Fits 8.8" Rear End
31 Spline Axle Splines
7/8" HD Cross Pin Shaft
What's in the Box
(1) Spartan 31 Spline Locker Differential
Mustang 8.8" 31 Spline Axle Spartan Locker
Replace your factory 31 spline differential spider gears with the strong Spartan Locker. The locker provides reliable traction at a great price. The revolutionary spring and pin design makes installation a snap. The 9310 steel is designed to give you an extremely strong locker that will be able to handle drag racing abuse. You will no longer have to worry about spider gears breaking with the locker making it worry free on hard launches.
- Lockers are designed to be used in drag race applications. They are not designed for everyday driving. Due to their design, they will make noises and cause a harsh clicking while turning.
- WILL NOT fit 28 spline carrier.