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...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. It features heat-treated 9310 steel internals for enhanced durability. This heavy-duty cross pin shaft is engineered and...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the highest standards. Measures .748" outside diameter. ...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the highest standards. Works with Spartan Locker or...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the highest standards. Measures .872" outside diameter. ...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the highest standards. Works with Spartan Locker or...

The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the highest standards. Works with Spartan Locker or...

Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear...

Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear...

Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear...

Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other...