Size: approximately 3-5/8" from the center of the spinner to the outside edge of the side of the wing; outside large center of the spinner has a diameter of 3 1/4"; wing is 1 3/4" long from the outer edge of the center of the spinner
Application: Peterbilt, Kenworth, Freightliner, and various other vehicles with a pointed hub cap
Mount: single bolt in center that screws in to the right (right hand #90312)