Powerflex Polyurethane Bush kit for Porsche 996 (1997-2005) Front Anti Roll Bar Bush 23.5mm - PFF57-501-23.5 - - Bush Size: 23.5mm - 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!