Audi A3 / S3 / RS3 A3 / S3 / RS3 8P (2003 - 2012) Rear Anti Roll Bar Bush 21.7mm 21.7mm - PFR85-515-21.7 Please check anti roll bar diameter before ordering - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!