Dynatek Dc7-1 Coil For Harley Dynatek coils are available in a wide variety of resistances and output configurations to allow easy replacement of stock coils. Dynatek coils work with factory electronic ignitions, points, and aftermarket ignitions. Features: Designated to work with any Dyna Ignition system Produces spark voltages in excess of 30,000 volts Single plug / dual fire 5.0 ohm 12V input voltage Made in USA