Hub Centric Ring Car Wheel Bore Center Hub Ring 73.1 67.1 74.1 72.6 to 63.3 63.4 64.1 66.1 67.1 66.6 72.6 Wheel Hub Center Rings Condition: 100% new Material: PlasticConstruction: Polycarbonate 73.1-57.167.1-57.173.1-54.173.1-56.173.1-56.673.1-57.173.1-60.173.1-63.373.1-63.473.1-64.173.1-66.173.1-67.173.1-66.667.1-54.167.1-56.167.1-56.667.1-57.167.1-60.167.1-64.166.6--57.166.45-57.157.1-54.174.1-72.672.6-60.172.6-67.172.6-66.673.1-58.667.1-66.172.6-65.1Goods in stock, if you need, please contact Depth: 10mm Placement on Vehicle: Left, Right, Front, Rear 1 SET= 4 piecesItem included:4pieces xhub rings Please ensure the size of your car fit our item before purchase Feature:1) Eliminate vibrations caused by the wheel not centering correctly onto your vehicle's hub.2) Improve the car's driving speed and save fuel to some extent, more smooth and comfortable than before.Please note:1) The outside diameter of the spigot ring should fit the wheel's centerbore in the back of the wheel.2) The inside diameter is the size of the wheel hub on the vehicle you intend to fit the wheels to.Note:1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.2. Please allow 1-2 mm difference due to manual measurement.3.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.4.Instruction is not included.Professional Installation Is Highly Recommended