4 pieces - Hubcentric Rings Hub Centric Rings 58.1x73mm A set of Four Polycarbonate Hub Centric Rings. Removes vibration from non hub centric wheels on your car. A set of Four Polycarbonate Hub Centric Rings. Removes vibration from non hub centric wheels on your car. Hub size (Vehicle Side): 58.1mm to (Wheel Side): 73mm