In a 123 ignition distributor, all moving parts, like the original points, the centrifugal weights, the springs, the bearings and the vacuum diaphragm have been replaced with just one moving part – The central shaft with the rotor.
The internal electronics provide the right advance and the optimum dwell-angle throughout the rev. range to maintain peak energy and peak performance. There is no wear altering the timing of the 123 Ignition: once set, you’ll never have to worry about it again!
With a little switch behind an opening in the billet-housing, you can select the best advance-curve for your engine. This version with pre-programmed advance curves therefor also is called the ‘switch’ version.Please select the right brand below to see which 123 Ignition products are suitable for your classic aircooled VW or Porsche engine.