Fit for- The CDI spark plug is suitable for ATV scooter moped karting based on Gy6 50 CC 125 CC 150 CC engine. High quality material- The spark plug is designed and developed with superior Plastic Coil & CDI, Ceramic Spark Plug, wear-resistant, high temperature resistant, excellent performance, good reliability, and very durable. Ignition coil spark plug- High-performance racing CDI based on GY6 engine has a 6-pin connector with AC ignition system to eliminate Rev-limit. A ferfect replacement- The kit includes a CDI, a coil igniter and a spark plug. The coil can improve combustion efficiency and enhance electrical performance. And has a very high racing performance. Quality Assurance- Worry-free refund service. Please feel free to contact us if you meetany trouble in using our product. Product Description Specifications: Material: Plastic Coil & CDI, Ceramic Spark Plug Color: Orange Spark Plug Length: 7cm/2.76” Coi