As far as off-road performance goes, there's nothing you can do to your Jeep that will make as big a difference as adding a rear locker. And once you add a front locker, you'll be amazed at the ...

Without the help of a differential lock, power can only be transmitted to two wheels at any time. Air lockers are replacement differential carriers that can lock the rear and front axle shafts ...

Discover when to engage a rear differential lock to maintain traction on slippery, rocky, or uneven trails while understanding its effects on vehicle handling and safe off road driving! #RearDifferent ...

Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Growing up, Mark always had a mind for tinkering on random items throughout his home and dad’s garage, including a 1953 Ford Mainline and ...

The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

The pickup truck has long been a staple of the American workforce. The truck has jobs to do, things to haul and places to venture through. Some of those places can include slushy snow and mud ready to ...

There are many possible differentials to use in the rearend of your car. Before making your decision you should determine how you will use the car, how streetable you want it to be and how much you ...