Powerflex Polyurethane Bush kit for Mitsubishi Lancer Evolution 4-5-6-7 RS/GSR Rear Diff Mount Rear Bush - PFR44-121BLK - - Bush Size: - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!