Vauxhall / Opel ASTRA MODELS Astra MK5 - Astra H (2004 - 2010) Front Anti Roll Bar Bush 21mm (1 Piece) 21mm - PFF80-1303-21BLK This bush replaces the original single piece design, if your vehicle uses a 2 piece design use PFF80-1203-* - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!