Firestone Level Command Dual Mechanical Height Sensor Kit (WR17602017)These Firestone dual automatic air command system kits inflate both air helper springs individually. Gain total control over your air springs by picking up a Firestone dual automatic air command system kit. Installation Instructions Warranty Mounts Between The Chassis And Suspension Inflates Two Bags Individually Uses Height Control Valve This Part Fits: Year Make Model Submodel 2005 2010 Acura MDX Base 2005 2006 Acura MDX Touring 2010 2013 Audi A3