Category: Snow (9A) Maker: SKI-DOO Model: Formula Mach 1 583 L/C 121" Year: 1989 CDI Box HD PeakRPM technology provides a more aggressive timing curve for increased throttle response Ride at full throttle with our application-specific CDI box that raises the rev limiter by 1000 RPM Enjoy fast & easy installation included dielectric connector grease Wire connections may require modification during installation OEM-grade electronic components and printed circuit boards for long-term reliability and performance 90% of ignition issues are caused by a faulty stator. Fully test ignition components before buying Specifications Compatible Brand: Fits Ski-doo Displacement: Variable Height: N/A Width: N/A Length: N/A Number of pins: N/A Number: 286858 Notes: N/A