Selecting the best limited-slip or locking differential for your 4x4 depends on many factors, including the type of off-roading you do, how much time you spend off-road, your driving style and ...

You can’t build a fast, reliable street/strip machine and ignore the rearend. Everyone talks about engines and transmissions, but very few talk about differentials. We believe that’s a mistake because ...

While it’s likely seldom done, some vehicles’ maintenance schedules do include an interval for changing the differential fluid, though perhaps only under “severe service” conditions such as frequent ...

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