This site says it has one of three, and supposedly the only one remaining, or a DANA C.O.P.O. Stinger! I've never heard of this before. Anyone? http://corvettes-musclecars.com/cgi-bin/emAlbum.cgi?c=show_thumbs;p=1967%20D ANA%20COPO%20Corvair%20(Yenko%20Stinger%20Order) Regards, Joel