Features:This ignition coil can improve combustion efficiency, strengthen electrical performance.This AC fired CDI will eliminate rev-limit which keeps your scooter restricted and also reset your ignition. It give you 5-10 miles speed boost on your scooter and all you need to do just plug it on with 4+2 pins connector, easy to install.Made of high quality material, it is very durable and safe to use.Fits for GY6 50CC 125CC 150CC Scooter.Specifications:Material: Plastic, metalColor: As picture shownCDI Type: 6 Pin (4+2)Ignition Coil Length: Approx. 33cm / 12.9inSpark Plug Length: Approx. 7cm / 2.7inSpark Plug Thread Size: Approx. 10mm / 0.39inCDI Box Size: Approx. 7.2 * 3.8 * 3.1cm / 2.8 * 1.5 * 1.2inCDI Total Length: Approx. 16cm / 6.3inWeight: Approx. 290gPackage Included:1 * Ignition Coil1 * Wire CDI1 * Spark PlugNote:Some models may use different parts. Please check the pictures and specifications for details before you buy.