TRE Air Locking Differential is designed to take you to the destinations other dream about. In order to improve the loss traction situation of the open differential when vehicle drive on some uneven terrains.
 
Enhance the traction of your 4x4 in just about any terrain--rock, clay, gravel, sand, snow or mud. A simple flip of a switch will provide maximum traction when needed and maneuverabisy when it is not. With the forged alloy differential case and gears, the strongest materials and steady 5 years warranty provides a reliable option for those wanting the most out of their off-roading adventures.