I found this voltage regulator on ebay.
http://cgi.ebay.com/ebaymotors/Mopar-Correct-Restoration-Appearance-Voltage-Regulator_W0QQitemZ170073894314QQihZ007QQcategoryZ80735QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
It's appearance is the same as the points type regulator but it has solid state...