Blue Streak ignition coil features a quick rise time for eas ier starts for electronic ignition.The coil will enhance the performance of the motorcycle's ignition system. The ignition coil features a high RPM range, more spark energy, and 45,000+ volts for maximum performance. It is vibration resistant with rapid heat dissipation for longer life under severe conditions, and is compatible with stock ignitions. The coil is smaller and lighter than stock, and fits into stock mounting brackets.**NOTE: Check the coil primary resistance requirements from the manufacturers of the ignition beingused.