Our parts are direct replacements for the OEM CDI. Each CDI is factory tuned and tested and comes with a six month limited warranty. Made from state of the art technology and based on 25 years of experience in motorcycle-electronics. It comes with all the required connectors and wiring, making replacement of your standard CDI as easy as possible. Your engine will start easier and will run at the highest possible performance. All units deliver massive gains on the track, where you'll really notice the difference.