In a 123 ignition distributor, all moving parts as listed below have been replaced;
The original points
The centrifugal weights
The vacuum diaphragm
The central shaft with the rotor is therefore the only remaining moving part. There is no wear altering the timing of the 123 Ignition once set therefore you’ll never have to worry about it again once fitted!
The internal electronics provide the right advance and the optimum dwell-angle throughout the rev. range. Therefore maintaining peak energy and peak performance at all times.
Further to this, a little switch located in the housing, enables you to select the best advance-curve for your engine. Because this version has pre-programmed advance curves, it is therefore 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.