66 Barracuda front seats

OK I may be waaaaay off base here but..
Something is not right about this picture (2 pieces on right dont appear to match)
http://cgi.ebay.com/ebaymotors/ws/e...60175721053&ssPageName=ADME:B:WNA:MOTORS:1123
or begs to question, Seeing as some "claim" seat frames are wider or narrower for certain year model a-bodys and want to fit a buddy seat which is mentioned in the discription...
Is it possible that a special seat track was used to shift the passengers seat to the right ?