Porsche 911 996 (1997-2005) Rear Upper Link Arm Inner Bush 19.5mm - PFR57-1509BLK PFR57-1509 fits 19.5mm width arms, for 22mm width arms please use PFR57-509. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!