The MSD module selectors allow you to choose two or three different RPM limits that can be activated at different times. With this ability, the possibilities are endless. The different RPM modules are activated when 12 V are applied to a corresponding wire.
Allows user to switch between 2 RPM/timing modules
Set a different RPM limit for the launch and over rev protection
Improves consistent hole shots
Must be used with MSD soft touch rev limiter
Must be used with MSD timing control