Replaces rotor, stator windings, stator frame , diode board, upgraded solid diode board mounts , Voltage regulator (variable), alternator brush holder & brushes , rotor removal tool & All required cables & includes a comprehensive installation and maintenance booklet.********************This kit will replace all the standard components of your charging system with high quality new parts. With The variable voltage regulator the output can be fine tuned for maximum output. **************** All parts carry a one year guarantee *** please note this is not recommended for use with Lithium or Dry Cell batteries *****