Powerflex Polyurethane Bush kit for Citroen AX Mk1 & 2 Rear Beam Mount - PFR12-109BLK - This bush uses a M12 bolt. Check bolt size. For the earlier cars, which use M10 bolt use bush PFR12-108. - 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!