Powerflex Polyurethane Bush kit for Vauxhall / Opel ASTRA MODELS Front Anti Roll Bar Mounting Bush 22mm - PFF80-303-22 - When fitting to the Asta MK1, it only fits the GTE 16v Models. - Bush Size: 22mm - 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!