Features: 1.4 pin CDI for most of most 50cc 70cc 90cc 110cc Scooter ATV DY100 2.This DC fired CDI will eliminate rev limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration 3.Made of high quality material, it is very durable and safe to use 4.This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on 5.A good replacement for the old or broken one Specification: Features: 4 pin CDI for most of most 50cc 70cc 90cc 110cc Scooter ATV DY100. This DC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration. Made of high quality material, it is very durable and safe to use. This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on. A good replacement for the old or broken one. Specifications: Condition: Brand new and high quality Material: Metal, plastic Connection Type: 4 pin Color: As picture shown Weight: Approx. 121g Package includes: 1 x CDI Box Note: Some models may use different parts. Please check the pictures and specifications for details before you buy. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.