Subaru Impreza Impreza GR, GH (2007 - 2011) & WRX + STI (2007 - 2014) Front Anti Roll Bar Bush 18mm 18mm - PFF69-503-18 Please measure the diameter of the anti roll bar and order the correct size. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!