VIAIR Mounted Systems (VMS) are high-performance onboard air systems designed to provide high CFM flow and fast tire fill with unsurpassed durability. These kits come with a single compressor, wiring harness, a high-quality remote air chuck kit, and all necessary hardware and components to install a fully functioning system. VMS can be used for tire inflation, air tools, air horns, air lockers, air bags, and inflatables of all kinds. Kits are also available in a dual configuration. 400C (150 PSI): Ideal for tire inflation management and any inflation tasks where 150PSI is needed. Reliable, fills fast in a very compact package. 100% Duty Cycle @ 40 PSI. 444C (200 PSI): Ideal for tire inflation management, air suspension, and general needs where 200PSI is needed. Reliable and affordable. 100% Duty Cycle @ 100PSI. 485C (200 PSI): One of our finest 12 volt compressors available. Well-suited for tire pressure management, air suspension, air horns, and other general compressed air needs. One of the only compressors that has 100% Duty Cycle @ 200PSI.