Powerflex Polyurethane Bush kit for Ford Focus Mk1 inc ST and RS (up to 2006) Front Wishbone Lower Rear Bush - PFF19-802BLK - This bush is for non RS models, which is 57.1mm diameter. For RS models use PFF19-803, which is 62mm diameter. - Bush Size: - 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!