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 ...

Installing a locking differential into your 4x4 is one of the best upgrades you can do. Understanding that a locker is what allows your wheels to spin at the same speed (no more one-wheel-peel), ...

A locking differential, often referred to as a "locker," is a type of differential that enhances traction by ensuring both wheels on the same axle turn at the same speed, even when one has little or ...

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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 ...

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 ...