Huge Schwitzer turbo *cheap**update*
 

Its a schwitzer off of a diesel. I doubt anyone could use it cause its so big but its a cool converation piece. The compressor housing is almost 11" in diameter. On ebay now.
http://www.imagestation.com/picture/...0/f5d161c8.jpg

http://cgi.ebay.com/ebaymotors/ws/eB...tem=7943022209