Why a suregrip?

The new anti-spin rears in the Ram 2500 and 3500 trucks need the park brake to activate the anti-spin.
There is a worm gear in the diff that needs to be applied by stopping the tire that is spinning. I learned this after ordering my Ram and getting stuck in the snow bank. I took it back and they too got stuck. They replaced the rear and the problem persisted.

After several trips to the dealer the manufacture told them to read the owners manual. Clear as day it tells you how to activate the ant-spin by applying the park brake with your left foot while pulling the release handle.

Being my truck was a 6 spd. the instructions were impossible to do because my left foot was on the clutch. Then they didn't know what to say except that the rear should not have been ordered with the truck. I have two now and they both are 6 spds with the same anti-spin rear.

Read the owners manual if you own a ram with this rear. The instructions are in there.

Why I brought this up is every term use for a dual traction style rear has its differences . But they all accomplish the same thing. Torque to both rear wheels and allowed to turn at different speeds for making turns.