Powerflex Polyurethane Bush kit for Vauxhall / Opel CORSA MODELS Front Anti Roll Bar Mount - PFF80-105-20BLK - For the Corsa A, the 20mm option is usually suited to performance variants. Please check the size you require, before ordering. - Bush Size: 20mm - 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!