Yukon Spartan Locker | Dana 30 27 Spline Axles (SL D30-27)

The USA Standard Spartan Locker for Dana 30 differentials is a high-performance locking solution designed to improve traction and durability. Manufactured by Yukon Gear & Axle, this locker features a patent-pending design that replaces the spider gears within a standard carrier case, eliminating the need for thrust washers. Its revolutionary spring-and-pin mechanism simplifies installation, making it accessible for enthusiasts to install themselves without removing the differential. Constructed with heat-treated 9310 steel internals, the Spartan Locker offers 100% lock-up and long-lasting reliability at an affordable price point, providing a cost-effective upgrade for off-road and performance applications.

This locker is compatible with Dana 30 axles equipped with 27 splines, making it suitable for a range of Jeep and light truck models. It is intended for off-road, trail, and aggressive driving scenarios where enhanced traction is essential. The kit includes the locker unit and a heavy-duty cross pin shaft, designed for direct bolt-in installation. No differential removal is required, allowing for easier, DIY-friendly installation. Ideal for off-road enthusiasts seeking a durable, reliable locking solution, this Spartan Locker enhances vehicle capability in challenging terrains.