31639-95 Eco Line High Performance Ignition Coils

These Eco Line high-performance ignition coils are specifically designed for Touring models, offering a powerful alternative to the factory setup. By delivering over 40,000 volts and 50mJ of spark energy, they help eliminate high-speed misfires and improve overall engine efficiency. The lower primary resistance ensures a hotter spark, which helps keep spark plug tips clean and improves fuel economy. This unit is a direct replacement for OEM 31639-95 and includes Ion sense feedback for seamless integration with the stock Harley-Davidson ECM. It is a straightforward performance upgrade that provides noticeable improvements in how your bagger runs and starts.