Compatible: High Performance 5-Pin CDI for most Chinese 50cc-125cc 4-stroke ATVs Dirt Bikes Go Karts.Produced according to the original factory standards, it fits perfectly with the size of the fitted model .(Please refer to the description Fordetailed product parameters) Main Function: Works great on suitable motorcycles, powerful acceleration, Improve ignition efficiency in low temp.5-Pin CDI, 5 Pin male plug, strong ignition energy intensity, practical igniter with long lasting life Excellent performance: The 5pin CDI igniter Box ignition energy intensity for easy starting and smooth riding, powerful acceleration, improve ignition efficiency in low temp. Easy installation: Mount and dismantle quickly,no drilling or welding is requires;Strict factory test, trustworthy quality guarantee.Conforms to standard specifications, Perfect replacement of the old or damaged one for better performance. Sales ServiceWe are committed to create the best product service for each cust