CDI Box. As RMSTATOR has great expertise with these ATVs, they strongly recommend that you replace your voltage regulator at the same time as changing your electronic box. Indeed, this is one of the main reasons for the malfunction of the electronic box. In addition, to ensure the performance of the part, RMSTATOR tests it up to three times in the factory. Features: The PeakRPM CDI Box provides the optimal output for your ride. Enjoy fast and easy installation with the plug-and-play O.E.M. design and included dielectric connector grease. O.E.M.-grade electronic components and printed circuit boards for long-term reliability and performance. 90% of ignition issues are caused by a faulty stator. Notes: Fully test ignition components before buying. All item pictures are accurate; if in doubt, do not hesitate and compare the item to your original part.