Ten years ago, selectable locking differentials were about as rare as a brain in a celebutant's head. Today, selectable lockers are more common than child-star substance abuse. These lockers can be ...

It’s the little button marked with an 'X' and an axle, usually positioned near the gear shifter that most suburban drivers will never use in the life of their car - still, we all love to know that we ...

In the automotive world, especially when it comes to off-road trucks and SUVs, differentials come up all the time. Is your differential locking, limited slip or open? Do you have a transfer case? One ...