Industry-leading Design: 100% brand new and high quality racing CDI box, connector: DC, 4 Pins male plug. This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on Industry-leading Design: 100% brand new and high quality racing CDI box, connector: DC, 4 Pins male plug. This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on Professional Manufacturing: This DC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration Compatible with: Motorcycle Igniter/ Fits for most of 50cc 70cc 90cc 110cc pit bike, scooter ATV 4-strokes engines. Widely Application: For most motorcycle, atv, quad, scooter, go kart, moped, chopper, pit bike, dirt bike, racing bike, mini bike and other bike. Note: This is DC CD. Easy to install, hooked up easy, and 100% Match & Much More Responsive and Revs Higher. 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 * CDI Box Note: Some models may use different parts. Please check the pictures and specifications for details before you buy.