Fits: 2001 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel

Everything about the Yukon Grizzly Locker is hardcore, the casing and gears, advanced gear tooth design, and its impact on traction and performance. The mechanical positive-locking differential is 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.

Features:

• 350% greater strength versus back-cut designs
• Patented internal design reduces common locker failures
• 8620 internals for added strength
• Designed for serious driving conditions
• Larger teeth resist breakage caused by shock-loading or catastrophic axle failure
• Assembled in the USA

Includes:

• Yukon Grizzly Locker for AAM 11.5" rear differential