What is a Motor Mount (MM) lift?
A Motor Mount lift is used to lift the engine, usually 1″-2″, that helps to reduce or stop vibrations in the driveshaft caused by a suspension lift. It replaces the stock motor mounts. It helps to get the angle of the rear driveshaft more in line from the transfer case to the rear axle. When you use a MM lift, you may need to move/ trim the radiator fan shroud. If you have a body lift and a MM lift, you should not have to do this, but may.
