Universal Bushes Washers 200 Series Washer Bush 50mm OD X 17mm - PF99-204 Each pack contains 2 PU washers. Outer Diameter = 50mm Inner Diameter = 15mm Bush Thickness = 17mm - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!