took a little to find them. for some reason my normal search terms "1960 suburban tail light lens" would not pull them up.
http://www.ebay.com/itm/1960-1961-19...d7fb7c&vxp=mtr
to help others.
Quote from ad.....
ONE NEW SET OF TAIL LIGHT LENSES FOR YOUR 1960-66 CHEVROLET OR GMC SUBURBAN OR PANEL TRUCK, AS ORIGINAL WITH "GUIDEX" ON THE LENS, FULLY LICENSED GM RESTORATION PART. NEW TO THE MARKET THIS WEEK, HAVE BEEN DISCONTINUED FROM GM MANY YEARS AGO, SHIPS TO LOWER 48 STATES ONLY.