Whiteline Rear Gearbox Mount BushingReplace worn suspension bushings to as new condition and appearance with Whiteline black synthetic elastomer bushings. Features: Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come. Whiteline's latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.