Description
Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that’s engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Grizzly Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. It’s a serious piece of mechanical engineering for serious driving conditions.
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.
This unit is drilled for 7/16in. ring gear bolts. If you are using it in an application which has 3/8in. ring gear bolts; please purchase qty 10 of part number YSPBLT-027 to sleeve the ring gear bolts.
D44 30spl, 3.73 & DWN GRIZZLY LOCKER
- Patented internal design reduces common locker failures
- Fits Dana Spicer 44 with 30 spline axles
- Fits Dana Spicer 44 w/30 Spline Axles
- 8620 internals for added strength
- 3.73 and down ratio only
- Assembled in the USA
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