Application: This ignition coil has a wide range of applications and is Suitable For ATV scooter moped off: road karts based on Gy6 50 CC 125 CC 150 CC engine. Application: This ignition coil has a wide range of applications and is Suitable For ATV scooter moped off: road karts based on Gy6 50 CC 125 CC 150 CC engine. Application: This ignition coil has a wide range of applications and is Suitable For ATV scooter moped off: road karts based on Gy6 50 CC 125 CC 150 CC engine. Easy to use: This ignition coil is easy to use and install, spark plug length: 7 cm/2.76 inches, coil length: 54 cm/21.26 inches, CDI size: 6.5 x 3.8 x 4.4cm / 2.56 x 1.5 x 1.73 , based on High: performance racing CDI with GY6 engine. Main Function: The ignition coil helps to improve combustion efficiency and improve electrical performance. CDI will eliminate speed limits, limit your bike and reset the ignition advance curve for better acceleration. The CDI has a 6: pin connector and an AC transmit