Gen IV electronic surefit. We now carry Vintage Air air conditioning units for the 1955-57 models. Please call 1-800-CARS-Inc and ask to speak with a sale representative for more information. NOTE: Each kit includes the evaporator, condenser, drier, compressor, compressor bracket, hose kit, and hi/lo safety switch. For each model, we need to know the year, make and model, engine size, factory or non-factory air, with or without headers, long or short water pump, alternator location (driver's side or passenger side), and the radiator position (6 cylinder or V8)