Powerflex Polyurethane Bush kit for Skoda Octavia Mk2 1Z (2004-) Front Anti Roll Bar Bush 21.7mm - PFF85-503-21.7 - Please check anti roll bar diameter before ordering - Bush Size: 21.7mm - 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!