Powerflex Polyurethane Bush kit for Audi A4 / S4 (B6) 2001 - 2005 Front Anti Roll Bar Bush 29mm - PFF3-204-29BLK - Please check anti roll bar diameter before ordering OE Nr - 4D0411327 - Bush Size: 29mm - 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!