Originally Posted by
Kbmoss
it locks in the front to the slipper. Instead of having a slipper or a center diff slipping and losing power, everthing that comes motor goes directly to the front wheels. It still allows the slipper the work with the rear.
Its basically allowing you to "glue" the front to the spur and have the slipper work for the rear only.
I just bought a rubber washer from the hardware store and replaced the front slipper with it. Works great, plus the rubber absorbs a little bit of driveline shock