Air Lift Load Controller Single Heavy Duty Compressor (25854) 1591 4240030 is a 4-pad rigid

4240030 is a 4-pad rigid race disc made with high quality

F013 pressure plate features an exclusive diaphragm design to increase clamp load

Quality injectors mated to proper calibration data will still perform poorly as a system if the injector set is not properly flow matched

6280620 is a 6-pad spring-centered race discs made with high quality ceramic friction materials

Air Lift Load Controller Single Heavy Duty Compressor (25854) 1591 4240030 is a 4-pad rigidOffering quick and convenient air pressure adjustment, LoadController (Compact, Single Path, Heavy Duty) will have your vehicle back on the level in no time, eliminating the need to hunt for a gas station with an air compressor! LoadController allows you to control the pressures of your air springs with the touch of a button, whether parked or on the road. There's no need to worry about changes in load or road conditions you can make on the go changes