Technical information on ignition modules, coils, spark plugs, spark plug wires and other
ignition system components for Harley-Davidson motorcycles.
Spark Plug Wires
|The number of performance claims that exist around a
simple spark plug wire could lead you to believe that all your performance problems can be
solved with the simple purchase of a set of spark plug wires. Learn more to make your own
Solving Sportster Detonation