I am not sure if anyone has seen the Shelby F150 for 2007. Did not know this thing might even exist. I don't think it will be a Ford vehicle, except for the basic F150. Looks like Unique will be doing the conversion.
http://www.barrett-jackson.com/events/florida/vehicles/cardetail_list.asp?id=184403
http://www.barrett-jackson.com/events/florida/vehicles/cardetail_list.asp?id=184403
