The Spartan Locker is manufactured by USA Standard Gear, an aftermarket manufacturer delivering the most reliable differential parts for the lifestyle you lead.
From general automotive repair to off-road trail performance, USA Standard Gear products are quality built, providing the right part at the right price.
Lunchbox Style Mechanical Locker
The Spartan Locker is a mechanical locker that installs directly into standard differential cases, replacing existing spider gears. A step above other lunchbox style lockers, the Spartan uses a unique large alignment pin system and a patented design that improves ease of installation.
The Spartan Locker is an excellent choice when looking for an affordable solution in off-road traction.