12. With the big-block torque and so much weight there is a severe possibility of some rear axlewrap. One tool to fix that also acts as armor. It is an antiwrap bar that can double as a driveshaft guard. We had Sam's Off Road build us a fullsize truck version of its popular Jeep antiwrap bar, and we're mounting it to run parallel to the driveshaft, yet just below so it helps keep the rocks clear.