ARB Air Locker Differential for Dana 30 Axle with 3.73 Gear Ratio and Up - Part RD104 gmc-terrain-2013-2021-denali Easy installation for quick setup

Easy installation for quick setup

78" Backspacing

improving grip and stability during aggressive driving maneuvers

Designed with quality craftsmanship and performance in mind

ARB Air Locker Differential for Dana 30 Axle with 3.73 Gear Ratio and Up - Part RD104 gmc-terrain-2013-2021-denali Easy installation for quick setupThe world's premier traction aid, an ARB Air Locker(TM) keep you moving in all conditions. With the flick of the switch an Air Locker gives instant lock at any moment and its super strong design allows activation at any speed allowing you to tackle the toughest terrain. The advantage of the Air Locker lies in the pneumatically operated locking system inside the differential. When activated, the Air Locker prevents the internal differential gears from