− 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 8.5" and 8.6" with 30 spline axles
− 2.73 and up ratio only
− Patented internal design reduces common locker failures
− 8620 internals for added strength
- Assembled in the USA
- 1.781" Large bearing journal design. Requires HD bearings for GM 8.5" differentials. LM102949 / LM102911