Powerflex Polyurethane Bush kit for Vauxhall / Opel ASTRA MODELS Rear Beam Mounting Bush - PFR80-815BLK - Fits rear beams with a 60mm diameter bush - Bush Size: 60mm - 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!