Powerflex Polyurethane Bush kit for Mazda RX-7 Generation 3 & 4 (1992-2002) Rear Track Control Arm Inner Bush - PFR36-308BLK - - 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!