Powerflex Polyurethane Bush kit for Mazda RX-7 Generation 3 & 4 (1992-2002) Power Steering Rack Mount Kit - PFF36-306BLK - 2 Bushes in this kit for the Power Steering Rack. - 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!