Dynatek High-Performance Ignition System For Harley Dynatek High-Performance 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 dual fire system. Ignitions feature improved performance, easy installation. Completely self-contained, and install behind the points cover without modification. Features: Dual ignition fire method Perfect ignition timing once and for all Self-contained ignition system features Hall Effect magnetic sensors, which are not sensitive to rpm changes or affected by dirt and oil Improves overall performance by changing the timing less than three degrees, extends plug life, eliminates the use of points and condensers can be easily installed Used and endorsed by many championship racers 1-year factory warranty Made in the USA Note: The Ds6-1 must be used with coils or combination of coils having 5 ohms resistance. Requires the addition of a mechanical advance unit on late model Harleys with OEM electronic ignitions.