Part Name: Air Lift. Specification: Compressor Power Source: 12 VDC Compressor Amps: 12.0 Amps Maximum Pressure (psi): 100 Psi. Application: Compatible with 2015 Ram ProMaster City Base Mini Passenger Van 4-Door 2015 Ram ProMaster City SLT Mini Cargo Van 4-Door 2015 Ram ProMaster City SLT Mini Passenger Van 4-Door 2015 Ram ProMaster City ST Mini Cargo Van 4-Door 2015 Ram ProMaster City ST Mini Passenger Van 4-Door 2015 Ram ProMaster City Tradesman Mini Cargo Van 4-Door 2015 Ram ProMaster City Tradesman SLT Mini Cargo Van 4-Door.