The world's premier traction aid, the ARB Air Locker(TM), supports your driving under any conditions. It engages instantly at the flip of a switch, and its ultra-rugged design allows for operation at any speed, letting you tackle the most extreme terrain. The advantage of the Air Locker lies in its pneumatically operated locking system inside the differential. When engaged, it prevents the internal differential gears from rotating and keeps the axle shafts from turning independently. With both wheels locked to the rotation of the ring gear, the vehicle always maintains maximum traction. When disengaged, it operates just like a conventional open differential. Vehicles equipped with an Air Locker can drive more slowly, safely, and with greater control, significantly reducing both vehicle damage and environmental impact.
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