The Dyna S is completely housed behind the ignition cover and uses a magnetic rotor with the original spark advancer, so the factory advance curve is maintained.

Dyna high tech coils for Harley-Davidson Big Twins and Sportsters are American made, top quality performance coils. Tested and proven on street, racing, and touring motorcycles for over fourteen years. Dyna coils produce spark voltages in excess of 30,000 volts and spark energies second to none.

FEATURES

• Kit includes DYNA S ignition and DYNA high tech coils
• The DYNA S is a complete contained ignition system
• Dual Fire
• 70-99 H-D Models (exc. FI, Twin Cam)

NOTE: Requires the addition of a mechanical advance unit on late model Harleys with OEM electronic ignitions.