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The Yukon Grizzly Locker for GM 8.5- and 8.6-inch housings with 30-spline axles (2.73 ratio and up) is a mechanical positive-locking differential that delivers full torque to both wheels when engaged and allows disengagement in turns. Designed for off-road and competitive use, its patented internal tooth geometry and larger inner clutch radius resist shock loading. Built with 8620 internals and assembled in the USA.
Yukon Gear Grizzly Locker For GM 8.5in & 8.6in / 30 Spline / 2.73+
