Select between 12 different RPM limits with simple turn dial selector
200 RPM increment changes
The RPM module selector plugs directly into the RPM module socket on all MSD soft touch rev controls and accessories that use plug-in modules. The user can then select between twelve different RPM limits by simply turning the knob. Six models are available to cover a range from 3,000 RPM to 12,800 RPM in 200 RPM increments.