Do You Need a Locker?
The beauty of an on-demand locker, like this ARB Air Locker for a Ford 9-inch, is that it can be turned on when needed and then turned off again so the differential operates as if it’s open. The downside is that these units are expensive and complicated to install. However, legions of Air Locker fans will tell you it’s a small price to pay to obtain the system’s best-of-both-worlds flexibility. View Related Article
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