5 Pin AC CDI Box for 49cc–125cc ATV Dirt Bike and Go Kart – High Performance Ignition Module

This 5 pin AC CDI ignition box is designed for 49cc–125cc ATVs, dirt bikes, and go karts. It provides reliable spark timing and improved engine performance for smooth starting and stable operation.Compatible with most Chinese 50cc, 70cc, 90cc, 110cc, and 125cc engines, this AC CDI module offers plug-and-play installation with standard 5 pin connector design.Ideal replacement for faulty or weak CDI units, helping restore strong ignition spark and proper engine timing for consistent acceleration.