Powerflex Polyurethane Bush kit for Vauxhall / Opel Manta B (1982-1988) Rear Anti Roll Bar Mount 18mm - PFR80-609-18BLK - - 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!