Features: 1.A brand new performance racing CDI fits for most of most GY6 or GY6 Clone engine 50cc-150cc, 150cc Go Kart engine, 150cc Dune Buggies engine, ??150cc Buggies engine 2.This AC 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:_x000D_ _x000D_ A brand new performance racing CDI fits for most of most GY6 or GY6 Clone engine 50cc-150cc, 150cc Go Kart engine, 150cc Dune Buggies engine, 150cc Buggies engine. _x000D_ This AC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration. _x000D_ Made of high quality material, it is very durable and safe to use. _x000D_ This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on. _x000D_ A good replacement for the old or broken one. _x000D_ _x000D_ Specifications:_x000D_ Material: Plastic, metal_x000D_ Color: As picture shown_x000D_ Type: AC Ignition_x000D_ Connection Type: 6 pin (2 pin + 4 pin)_x000D_ Weight: Approx. 105g_x000D_ Fitment: _x000D_ For GY6 or GY6 Clone engine 50cc-150cc_x000D_ For 150cc Go Kart engine_x000D_ For 150cc Dune Buggies engine_x000D_ For 150cc Buggies engine_x000D_ _x000D_ Package Included:_x000D_ 1 * CDI_x000D_ _x000D_ Note:_x000D_ Some models may use different parts. Please check the pictures and specifications for details before you buy. PackageList: