Voltage Regulator: 1962-72 (63 amp) (Re)This reproduction voltage regulator is produced by a reputable manufacturer. When compared closely with new GM AC Delco units, it appears they may originate from the same factory. The main difference is that the reproduction lacks the AC Delco stamp on the cover, which may be a consideration depending on your preference. THIS NEEDS TO BE VIBRATION INSULATED when mounted.. see the last item on this listing. THE RUBBERS listed go under the regulator to