Notes:The outside diameter of the spigot ring should fit the wheel's center bore in the back of the wheel. Fit for any vehicle with a 72., 6mm hub that needs to adapt a wheel with 64., 1mm center bore (OD=72., 6mm ID=64., 1mm). The set includes four rings with three different size ranges: 64.1mm to 66.6mm, 65.1mm to 72.56mm, and 72.56mm to 74.1mm. This variety ensures compatibility... Designed to eliminate unwanted steering wheel vibrations. Ensures a precise fit between your wheel and the hub. Unique Bargains 4pcs OD 75mm To ID 67.1mm Aluminum Alloy Vehicle Hub Centric Rings Wheel Bore Center Spacer X AUTOHAUX 2pcs Plastic 72.6mm to 64.1mm Car Hub Centric Rings Wheel Bore Center Spacer in Hubs & Spindles Precision machined to stop vibrations and ensure a snug fit every time. How to Choose the Hub Ring?Hub rings are sized by using two different numbers that are measured in millimeters. Placement on Vehicle: Left, right, front, rear. 72.6mm To 64.1mm Adapter X AUTOHAUX 2pcs OD 68mm To ID 64.1mm Aluminium Alloy Car Hub Centric Rings Wheel Bore Center Spacer, Accessories - Canada Wheel Vibration Eliminator Heat resistant so it will not melt even in extreme driving conditions.