New Old Stock Air Conditioning EPR Valve for 1961-74 Models Mopar #2776146Air Conditioning EPR Valve This is a New Old Stock air conditioning EPR valve for the models listed with factory air conditioning except Auto Temp Control. Installs in the rear port of the compressor and regulates head pressure. Original Mopar metal valve in original packaging. Models Chrysler: Newport, Chrysler 300, New Yorker & Town & Country (except Automatic Temp Control) Dodge: Dart, Dart 170, 270, 330, 440, GTS, Swinger, Demon & Challenger;