3.0 Primary Resistance Ohms. 11,500 Secondary Resistance Ohms. Dynatek ignition coils are high tech, top quality coils, designed for maximum performance. They produce spark voltages in excess of 30,000 volts and spark energies second to none. 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. Choose from four body styles and five different primary resistance ranges to match your ignition needs. Advanced magnetic ...