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Chevrolet/GMC Air Lockers

ARB's revolutionary differential uses compressed air from an on-board air compressor to lock both wheels of one axle so they work as one, providing equal driving power to each wheel. One compressor operates both front and rear lockers.

  • Air Lockers are operated by the driver so they can be engaged or disengaged at will by pushing a das-mounted button.
  • This means there are no changes in handling or tire wear when they are unlocked, making the Air Locker ideal for use in front differentials.
  • No other locker or limited-slip differential offers these advantages!
    ARB Lockers are the ultimate locker when it comes to getting a vehicle's power to the ground where it counts. Air compressor sold separately

ARBRD10 GM 10-bolt 8.5"- 2.73 - 5.57 ratios- 28 spline

ARBRD11 GM 12-bolt 8.875"- 3.07 - 3.42 ratios

ARBRD12 GM 12-bolt 8.875"- 3.73 - 4.56 ratios

ARBRD28 GM 10-bolt 8.5"- 2.73 - 5.57 ratios- 30 spline

ARBRD40 GM 14-bolt 9.50"- all ratios