03-18 Cummins & 11+ Duramax AAM 11.5" Yukon Grizzly Locker Differential T-Shirts *Some features may vary by

*Some features may vary by make/model/year

Spline: 30

Oil does not wear out

Applications: 68RFE 6 Speed

**Cummins Logo on heat sheild is a custom logo

03-18 Cummins & 11+ Duramax AAM 11.5" Yukon Grizzly Locker Differential T-Shirts *Some features may vary byThe Yukon Grizzly Locker is the ultimate in locking differentials for street, off road, and drag racing Grizzly Lockers provide 100 percent power to both tires, while still allowing for disengagement while negotiating turns The Yukon Grizzly locker is a mechanical locking differential It features a forged case and 8620 internals for maximum strength It's patented design reduces common locker failures Anatomy of a Yukon Grizzly Locker The Yukon Grizzly