SuperPro 2003 Mitsubishi Lancer Evolution Rear Upper Rearward Diff Mounting Bracket Bushing SetThis kit replaces the rearward differential mount bushings that are located in the rearward of the two diff supporting crossmembers. The OEM units are soft rubber and break down fairly quickly with that wear accelerated the harder they are used. The worn bushings allow more movement of the rear differential under changing loads. This can initially be felt behind the wheel as slower and sloppier responsiveness, and as the OEM bushings near the end of