Fits 2010-2014 Mustang V6 and Mustang GT Fits 2010-2012 Shelby GT500 Kit contains 4-valve mounted snap-in tire pressure monitor sensors (valve stem TPMS) and tire pressure monitor activation tool 2010-2014 Mustang requires that tire pressure monitor sensors are installed and properly activated. Failure to install and activate sensorswill cause tire pressure monitor light to remain on Activation tool can beused to retrain sensorsafter tire rotation Warning: Requires wheels specifically designed for valve-mounted snap-in-tirepressure monitor sensors Note : Will NOT work on 2007-2009 Mustang V6, GT or GT500. Valve stems are not designed for speeds over 155 mph -