[Perfect Fit] - Mainly for 50cc 125cc 150cc scooter, dirt bike, atv go kart.Universal fits gy6 scooter go kart atv 150cc 125cc 50cc, gy6 139qmb 152qmi 157qmj engines_x000D__x000D_[Premium Quality] - The replacement part is made from durable material and well-tested by the manufacturer_x000D__x000D_[Buy Confidence] - Parts._x000D__x000D_Part Type: CDI Ignition Coil spark plug set_x000D__x000D_Permanent contract:_x000D__x000D_Size: about 7cm(L)_x000D__x000D_This is an AC CDI 6(2/4) pins and Aluminum alloy, works with the GY6 type plug on it, with an AC ignition system._x000D__x000D_This CDI is similar to our Orange performance CDI but has a more aggressive ignition advance curve._x000D__x000D_Plug and Play installation makes installation a breeze! If your CDI has the same plug, this will work!_x000D__x000D_Ignition Coil:_x000D__x000D_Length of the wire: about 36.7cm_x000D__x000D_Improve combustion, increase electrical performance._x000D__x000D_The special tight coil design makes for current resistance that increases the firing speed._x000D__x000D_Spark Plug:_x000D__x000D_Length: about 6.7cm_x000D__x000D_Spark Plug is a high performance spark plug._x000D__x000D_._x000D__x000D_Material:Plastic, copper_x000D__x000D_color:Orange_x000D__x000D_Package Contents:_x000D__x000D_1*Racing CDI Ignition_x000D__x000D_1*Ignition coil_x000D__x000D_1*Spark Plug_x000D__x000D__x000D__x000D_