For Chevrolet Colorado RWD 4WD 2004-2012. For GMC Canyon RWD 4WD 2004-2012. Option 2: Air Suspension Kit + Air Shock Compressor Kit. Option 3: Air Suspension Kit + Wirless Air Shock Compressor Kit. 1、Allows you to monitor and adjust the air pressure in the air spring bag from the driver's cab.
