Ford Focus Models Focus Mk1 inc ST and RS (up to 2006) Front Wishbone Lower Rear Bush - PFF19-803 This bush fits RS models only and measures 62mm in diameter. For non-RS & ST170 models use PFF19-802 which measures 57.1mm diameter. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!