MSD- 8739 Two Step Module Selector

MSD- 8739 Two Step Module Selector


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The MSD Module Selectors allow you to choose two dif­ferent rpm limits that can be activated at different times. With this ability, the possibilities are endless.

The MSD Module Selectors provide the ability to switch between two different rpm or degree modules. The different modules are activated when 12 volts are applied to the corresponding activation wire. The Selectors work with either a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules.


  • Allows a launch rev limiter and a high speed rev limiter


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