Powerflex Polyurethane Bush kit for Citroen AX Mk1 & 2 Rear Beam Mount - PFR12-108 - Early Type With Smaller M10 Bolt, Check Bolt Size. PFR12-109 Uses M12 Bolt - 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!