Features: Made of high quality material, durable and practical to use. This AC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration. Connection type: 5 pins. Male plug with 5 pins. Ignition energy intensity, powerful acceleration. Universal 5 Pin CDI for most 50cc - 125cc 4 Stroke ATV, Dirt Bikes and Go Karts. Package Includes: 1 Piece 5 Pin CDI Box Specifications: Material:ABS Size:Approx.6x3cm/2.36x1.18inches Color:Black note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.