AccuWheel ACHR73-6336M Aluminum Wheel Hub Centric Rings (73.00mm OD to 63.36mm ID) - Pack of 4 Hubrings Hub Ring Inner Diameter (Vehicle Hub Size): 63.36mm Hub Ring Outer Diameter (Wheel Bore Size): 73.00mm Made out of High Quality Aluminum, so it will not bend and ensure a tight fit Designed to Eliminate Vibrations caused by Custom Wheels not centering correctly onto vehicle's hub Please see Product Description section below for more Vehicle Compatibility