Audi A5 / S5 / RS5 A5 / S5 / RS5 (2007-2016) Front Lower Radius Arm to Chassis Bush 65mm - PFF3-802BLK This part fits arms with a 65mm diameter bush. For arms with a 75mm bush, please use PFF3-702BLK. This is a replacement part that in our Black Series application is over 60% stiffer than our Road Series material.. For a caster adjustable option, please use PFF3-802GBLK. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!