DYNATECH III Electronic Ignition, for 850-1000cc Big Twins, £161.27inc. vat. Comes with fitting instructions , a really simple fit. DYNA III Electronic Ignition increases the high rpm coil energy storage by approximately 70%! The Dyna III allows the coils to build up to maximum current, and even at high rpm's, you get a more powerful consistent charge to the plugs for top operating efficiency. The sealed aluminum module is unaffected by dirt, moisture, oil or vibration.

DYNATECH S Electronic Ignition, for V35-65, £151.48inc. vat. The Dyna S Ignition System is a complete self-contained electronic ignition system built with the latest state-of-the-art engineering. This is the same ignition used by top racers over the past 2 decades. 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. As a stand alone ignition the Dyna S is the standard for performance and reliability.