Extra Info:

Fits AAM 11.5” with 38 spline axles. Grizzly Lockers are a mechanical locking differential designed for off-road and racing use. Patented design reduces common locker failures.
The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.
Fits GM and Chrysler 11.5″ with 38 spline axles
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA
Technical Notes: Factory spindles will need to be bored out with tool part number YT H32 in order to accept the 38 spline axles this locker takes.