8.5" & 8.6" GM 30spl GRIZZLY LOCKER, LRG HUB 2.73&UP

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.

• 2.73 and up ratio only
• 8620 internals for added strength
• Assembled in the USA
• Fits GM 8.5″ and 8.6″ with 30 spline axles
• Patented internal design reduces common locker failures

Technical Notes: 1.781" Large bearing journal design. Requires HD bearings for GM 8.5" differentials. LM102949 / LM102911