The installation is simple and does not require complicated operations, which is convenient for using. Includes ignition coil, CDI box and spark plug, replacement for GY6 50cc150cc ATV Moped Scooters. CDI box has no rev limit, and has a singlestage advanced timing circuit, provide faster response to RPM acceleration and a higher RPM limit. Manufactured according to the original production specifications, in line with strict quality standards. The ignition coil can improve the combustion efficiency and enhance the electrical performance, match up exactly with original equipment. Product Description Feature: 1. Includes ignition coil, CDI box and spark plug, replacement for GY6 50cc150cc ATV Moped Scooters. 2. The ignition coil can improve the combustion efficiency and enhance the electrical performance, match up exactly with original equipment. 3. CDI box has no rev limit, and has a singlestage advanced timing circuit, provi