4 pin GM regulator for ad244 alternators and ad237 alternators. great upgrade / modification / replacement for companies that use 13.8v set point regulators in their slot wound alternators.
These do not fit DR44 units, please double check your fitment and alternator type before ordering. The dr44 has a vertical stator P terminal soldered where as ad244 have horizontal soldered P terminal and S terminals soldered.
if you do not know the difference please call for more information.