Three Step Module Selector MSD8737 Product:Set 3 RPM limits; Burnout rev limiter, Launch rev limiter, Top End re Billet Universal Dual Air /

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Three Step Module Selector MSD8737 Product:Set 3 RPM limits; Burnout rev limiter, Launch rev limiter, Top End re Billet Universal Dual Air /Three Step Module SelectorSet 3 RPM limits; Burnout rev limiter, Launch rev limiter, Top End rev Limiter MSD8737 D8737 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. As an example, we'll use a drag car with a Three Step Module Selector plugged into the rpm socket of a 7AL 2 Ignition. The different rpm modules are activated when