Dyna S Single Fire Ignition System
All the features of the famous Dyna “S," plus the special feature of firing the front and rear cylinders independent of each other, allowing much more accurate timing of each cylinder
Dyno and top speed testing have shown a dramatic improvement in power in all areas by using a single-fire ignition; bikes with hotter cams show the greatest improvement
Note: Not recommended for use with OEM coils. For single-plug heads, use 133236 coil set for race. 133231 coil set for street. For dual plug heads use 133232 coil set for race. 133246 coil set for street.
Drag Specialties part number DS6-2
Note: Tach adapter is required when using an electric tach.