If you've kept tabs on our '04 4Runner build, you know we've been using an automatic locker in our Currie 9-inch rearend. The automatic locker has done everything we've asked: It's been self-contained ...

ARB air lockers have proven to be strong, reliable, and quick to actuate on demand. We have used a number of them over the years with great success. Generally, the seals that contain the locking air ...