When the TRS Tilt-Rotators is used in a grading application and accuracy is required, TRS Tilt-Rotators can be equipped with a field installed 647-0611 Electrical Kit (ANTI-DRIFT) This kit is only available as a complete package however additional service repair parts can also be ordered. Includes: Harness , RAC Control unit, Male CAN connector. Refer to Special Instructions: M0166347 for installation instructions and more information.