Found this why’ll I was trolling about, Looks a lot like the Techco unit. http://www.arringtonengines.com/p-1141-hemi-sms-supercharger-for-57l-61-performance-engines.aspx :bigwink::bigwink::bigwink:
That's the Saleen. Techco was originally doing the Saleen SMS SC. They are both vendors here. http://www.srtconnection.com/forums/showthread.php?t=13888