Circuit Performance Polycarbonate Hub Centric Rings are the perfect way to finish your new wheel installation. These hub rings ensure a perfectly smooth, vibration free ride. Features plastic polycarbonate construction Sturdy Construction Vehicle specific fitment Easy Installation What are hub-centric rings for? Most aftermarket wheels have a large center hub diameter so the wheels will fit a variety of different vehicles. The hub-centric rings are made to fill the gbetween the wheel and the vehicles hub to ensure the wheel is perfectly centered. This not only makes installation of your new wheels much easier but will also help eliminate any vibrations you may encounter. How do I know which hub ring to choose? Hub rings are sized by using two different numbers that are measured in millimeters. The first number such as 73. 1 is the diameter of the center bore on the wheel and is the outside diameter of the hub ring. The second number such as 66. 1 is the diameter of the hub on your vehicle and is the inside diameter of the hub ring. What's Included? Four (4) 73. 1mm OD to 66. 1mm ID Circuit Performance Polycarbonate Hub Centric Rings Not sure exactly what size hub rings you need? Don't waste time and money guessing. Hub Ring Outside Diameter: 73. 1mm (Must match wheel center bore)Hub Ring Inner Diameter: 66. 1mm (Must match your vehicle hub bore)Made for Wheels with a 73. 1mm center bore and vehicles with a 66. 1mm hub bore. 100% Authentic Circuit Performance ProductPrecision Machined to stop vibrations and ensure a snug fit every time. Model # CP-SET-HRN-73. 1-66. 1.
