Universal Lgnition Coil: High performance racing ignition coil for GY6 50cc 150cc 125cc 4-stroke engines scooters, ATVs, mopeds, quad, pit Bikes, dirt Bikes. Universal Connector: 2+4 Pin, this CDI is 6pins, it works with the GY6 type plug on it. If your CDI has the same plug, this will work for you. Enhance Lgnition Intensity: Ignition coil CDI box can Increase the ignition energy intensity for easy start and smooth driving. Eliminate Speed Limit: This AC ignition CDI eliminates the speed limit, keeps the bicycle in a restricted state, and resets the ignition advance curve to achieve better acceleration, makes your bicycle 5-10 miles faster, and eliminates the speed limit. Easy to Install: Ignition coil CDI box easy to install, just plug in. Can directly replace the old or damaged.