This Baby Moon Center Caps for Ralley Wheels with 7" inch inner rings that snap on to the inner nubs of ralley wheels. These smoothie center caps have an 8 inch outside diameter and are Chrome plated hardened steel. The outside diameter is 8.1" wide while the inside diameter accomodates the Ralley wheel inner nubs on inside of the center of the wheel. These are designed to fit 14 and 15 inch Rally wheels that can be found on many classic Chevy Camaros, Corvettes, Chevelles, Novas and Impalas.Contents: Pair of two 8" inch wide Baby Moon Center Caps for Rally Wheels with 7" inch wide inner ringsFeature: 7 inch inner ring that snaps on to the inner nubs of 14 and 15 inch Ralley wheelsMaterial: Chrome Plated Hardened SteelSize: 8 inch outside Diameter, 7 inch inside diameter