Front Air Locker Locking Differential Dana 30 Transmission 3.73, ARB Jeep Cherokee 1984 - 2001, Jeep CJ 1971 - 1986, Jeep Grand,

Transmission: 3.73 and higher Axle spline: 30 Diameter: 33.3 mm Provides 100% traction on demand without affecting on road drivability or driveline wear Vastly improved traction means less reliance on momentum, thus reducing the likelihood of vehicle damage and environmental impact Easy, convenient operation allows the user to concentrate on the terrain without leaving the comfort and safety of the driver's seat Ultra durable and extremely strong - only the highest quality materials used in construction Incredibly simple yet effective design that employs minimal moving parts, thereby ensuring maximum reliability Thoroughly tested and proven design & trusted and used in over 80 countries around the worl Easy installation and maintenance & no special tools, skills or additives required Air