KSport Airtech Pro Plus Air Suspension Full System - Volkswagen 1993-1998 MK3 JettaAirtech Pro Plus Air Suspension offers all the benefits of our value systems but adds 4 wheel independent ride height adjustment via an OLED remote control. This enhancement allows the system to automatically adjust your ride height (psi based) while keeping the car level. In addition, Pro Plus provides faster response, high tech digital features and automatic load leveling that operates solely on the monitoring and adjustment of air spring pressure.