Powerflex Polyurethane Bush kit for Audi A3 MK2 8P (2003-) Rear Anti Roll Bar Bush 20.5mm - PFR85-515-20.5BLK - Please check anti roll bar diameter before ordering - Bush Size: 20.5mm - 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!