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 ...

If you wheel, chances are that you know someone, probably lots of people, with ARB Air Locker-equipped rigs. The venerable Air Locker, a popular import from the land Down Under, has proven itself a ...

ARB started in Australia as an off-road equipment maker. The company gradually expanded to become a worldwide leader in building rugged components for various trucks and SUVs. In the 1980s, it ...

You push a truck hard enough – even a heavy duty model – and something’s going to give. When mechanic Dave Adair cracked the diff locker on his 2007 Chevy 2500 HD, he decided to step up to something ...