Today we're going to go over what comes in the kit for the Air Lift Smart Air 2, automatic leveling compressor system, for the Air Helper Springs with dual sensor. So basically this kit is just a double up of the system from Air Lift. It's going to have two of everything. So we'll get two compressor units, two lengths of air hose, two wiring harnesses, our sensors themselves, the T-relay to go… see more >