Powerflex Polyurethane Bush kit for Ford Focus Mk1 inc ST and RS (up to 2006) & Estate Rear Anti Roll Bar Mounting Bush 18mm - PFR19-809 - Please measure bar and select correct size. - Bush Size: 18mm - 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!