The PowerTrax Lock Right is one of the best known "lunchbox lockers" on the market. We talked about a few generalities of different types of lockers here. We've installed and used several Lock Rights ...

If you’re looking to take your 4x4 on more serious adventures, then you’ll likely want to trade in your open differentials for a set of lockers. With the exception of a few well-equipped rigs such as ...

Got horsepower? If you are going to do more than go up in smoke, you're gonna need some traction to back it up. The conventional open differentials used in most passenger cars utilize side gears that ...

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 ...