Dynatek Single-Fire Ignition System For Harley Dynatek Single-Fire Ignition System uses magnetic rotors with OEM-style mechanical advance spark mechanisms to retain factory advance curves and eliminate points and condensers by replacing the points ignition with a high-performance single fire system. Ignitions feature improved performance, easy installation. Completely self-contained, and install behind the points cover without modification. Features: Not for fuel injected models Does not include coil bracket 1-year factory warranty Made in USA Note: Must be used with 5 ohm coils for street operation