The world's premier traction aid, the ARB Air Locker(TM), is capable of handling any road condition. With the push of a switch, the differential locks instantly, and its ultra-durable construction allows it to be engaged at any speed, enabling you to conquer even the most extreme terrain. The advantage of the Air Locker lies in its pneumatic locking system located inside the differential. When activated, it prevents the internal differential gears from rotating, stopping the axle shafts from spinning independently of one another. Because both wheels are locked directly to the rotation of the ring gear, maximum traction is maintained at all times. When disengaged, it functions like a conventional open differential. Vehicles equipped with an Air Locker can be driven at slower speeds with greater safety and control, significantly reducing both vehicle damage and environmental impact.
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