Features: 4 pin CDI for most 50cc 70cc 90cc 110cc ATV DY100 scooter. This DC CDI will eliminate the rev limit that keeps your bike restricted, and also reset your spark advance curve for better acceleration. Made from high quality materials, it is very durable and safe to use. This device will give you 5-10 miles of acceleration on your bike and all you have to do is plug it in. 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 Weight: Approx. 121g Package includes: 1 * CDI Box Note: Some models may use different parts. Please check pictures and specifications for details before purchasing.