Performance Machine Tpms Sensor Bracket Assembly For Harley Most of the new H-D applications come equipped with Tpms (Tire Pressure Monitoring System) sensors installed with stock wheels. When upgrading to Performance Machine wheels you can lose functionality but with this system you are able to maintain functionality. The bracket assembly allows the stock Tpms sensor to be installed to the existing valve stem inside the Performance Machine wheel. Features Allows new Harley Davidson models equipped with Tpms (Tire Pressure Monitoring System) sensors to function with RSD and Performance Machine wheels Performance Machine (Pm) wheels sold separately Mounts sensor to the existing valve stem Compatible with stock H-D Tpms sensor O-ring and hardware included Tpms sensor not included Bolt-on installation Made in U.s.a. Note: OEM Tpms sensor and Performance Machine Valve Stem required for installation are not included. Images are for reference only.