Powerflex Polyurethane Bush kit for Saab 9-3 (2002-on) Rear Anti Roll Bar Mounting Bush 17mm - PFR66-519-17 - - Bush Size: 17mm - 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!