V-Tronic, Electronic Ignition for 6 and 12V. Advanced Electronic Ignition for Harley-Davidson

Automatic electronic advance, with 9 adjustable curves.
Tried and tested ignition modules.
Hall sensor type.
It works with 6 and 12 volt systems and will never need readjustment or other maintenance.
A shorter opening duration increases the spark intensity by 60%.
Fits the original motherboard.
Note: See 519401 for the same ignition module, but for use with manually controlled advance.

Fits: > 36-47 BTFlathead; 36-47 Knuckle and 38-47 WL, WLA, WLC