Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 30 Spline Axles

When you're looking to get serious about traction, the Yukon Gear Grizzly Locker is a hardcore mechanical locking differential that gives you 100% power to both rear wheels. This unit is designed for demanding applications like rock crawling, serious trail running, off-road racing, and even drag racing. It's built to handle the kind of stress these activities put on your drivetrain. The Grizzly Locker is a patented design that allows for full engagement when you need maximum grip, but it also disengages to let your wheels turn independently when you're navigating turns, making it surprisingly manageable on the street.

What you get in this package is a robust locker with 8620 internal gears, known for their strength and durability. Yukon has engineered this locker with an advanced gear tooth design that features a larger radius at the base of the inner clutch teeth. This unique design offers up to 350% greater strength compared to older back-cut designs, significantly reducing the risk of breakage from shock-loading or catastrophic axle failure. This well-built locker is assembled in the USA, ensuring a high standard of manufacturing. It's designed to fit GM and Chrysler 11.5-inch axles with 30 spline count, common in many heavy-duty trucks and SUVs.

This locker fits a wide range of vehicles, including popular models like the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD, as well as Dodge Ram 2500 and 3500 trucks. Because this is a mechanical locker, it requires a proper installation by a qualified technician, which typically involves setting up ring and pinion gears and ensuring correct backlash. You'll want to consult the manufacturer's installation instructions for the full procedure and any specific tools or fluids required for your application.