Not a 66' cap below, hopefully someone here didn't buy thinking so, and to some it may not matter. Seller says he wasn't sure either. Bronco caps have the wheel tabs on the back in sets of three, not evenly spaced all the way around like the Mercury cap.
http://www.ebay.com/itm/Possible-19...d:g:maEAAOSwvg9XfscL&vxp=mtr&autorefresh=true
http://www.ebay.com/itm/Possible-19...d:g:maEAAOSwvg9XfscL&vxp=mtr&autorefresh=true