Audi A4 / S4 / RS4 A4 / S4 / RS4 B5 (1995-2001) Rear Upper Arm Inner Bush (Cast Arm) - PFR3-212BLK Fits cast steel arms only. For pressed steel arms, use PFR3-209. Fits cast steel arms only. For pressed steel arms, use PFR3-209. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!