TPI BX7306010-4 Wheel Hub Centric Rings Process Blue ( 73.0 mm OD x 60.10mm ID) - Pack of 4 Hub Ring Inner Diameter (Vehicle Hub Size): 60.10mm Hub Ring Outer Diameter (Wheel Bore Size): 73.0mm TPI Hub Centric Rings are designed to correct minor wheel and hub dimensions These centric rings provide a true wheel centering on the vehicle's hub. Furnished with unique clips for secure installation