Yukon Gear & Axle Grizzly Locker - Non-Rubicon JK Dana 44 - 30 Spline Lunati GM A-Body / B-Body /

GM A-Body / B-Body / F-Body / X-Body 1964-74

Mallory Marine

Fits factory spindle & works with factory springs

The upper is powder-coated light titanium gray

Yukon Gear & Axle Grizzly Locker - Non-Rubicon JK Dana 44 - 30 Spline Lunati GM A-Body / B-Body /Yukon Gear Grizzly Locker Differential, Fits Non Rubicon JK Dana 44, 30 Spline Fits Dana 44 JK, 30 spline. Grizzly Lockers are a mechanical locking differential designed for off road and racing use. Patented design reduces common locker failures. 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