Streamlined setup with a pro finish. VIAIR VMS Plus Dual Compressors & Lock Mount Bracket Systems are high-performance onboard air systems designed to provide high CFM and fast tire fill with unsurpassed durability. The VMS Dual Lock Mount Bracket allows you to integrate two compressors and all system components, creating a modular mounting solution for your vehicle. Brackets include 3 positions for manifold placement and base plate with multiple threaded hole positions for mounting flexibility. VMS Systems are ideal for tire inflation, air tools, air horns, air lockers, air bags and inflatables. Lock Mount Brackets are electroplated for corrosion protection. Kits available for 400C, 444C and 485C models. All necessary compressor mounting hardware is included. 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. **Allow an additional couple of days for kit assembly prior to shipping