Here is an interesting idea. Would sure save a lot of time for someone who isn't too concerned about 100% originality.

http://cgi.ebay.com/ebaymotors/67-or-68-SHELBY-GT-CS-TAIL-LIGHT-PANEL-PRE-WIRED-LEDS_W0QQcmdZViewItemQQcategoryZ140741QQihZ006QQit emZ160071684679QQrdZ1QQsspagenameZWDVW

http://www.cornerstoneclassics.com/SHELBY_PANELS.html