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.
8620 internals for added strength
Assembled in the USA
Fits GM 10.5? 14 bolt truck
Installs into standard open carrier
Patented internal design reduces common locker failures
Technical Notes: This unit installs into a bare factory open case. This unit does NOT use the factory thrust washers. Failure to remove the factory thrust washers will cause the unit to act improperly and can cause damage to the unit.