Yukon Dana 30 Grizzly Locker - 27 Spline, 3.73 & Up Ratio 1977-jeep-cj5-esi2908590 5" Rear Axle GMC Sierra

5" Rear Axle GMC Sierra 2500 HD 2001–2011 GM 11

It helps restore power lost from oversized tires and improves drivability both on-road and off-road

enhance traction on rocks and loose terrain

The Ford 8

Yukon Dana 30 Grizzly Locker - 27 Spline, 3.73 & Up Ratio 1977-jeep-cj5-esi2908590 5" Rear Axle GMC SierraThe Dana 30 Grizzly Locker is a fully mechanical automatic locking differential designed to deliver maximum traction for rock crawling, trail riding, off road racing, overlanding, and high performance street applications. When traction is limited, the Grizzly Locker automatically transfers 100% of available torque to both axle shafts, helping keep your vehicle moving through mud, rocks, sand, snow, and uneven terrain. Built with a heavy duty case and