Speedmaster Rev Limiters allow you to set an RPM limit that will save your engine from over revving or damage in the event of driveline failure or heat of the moment pressure. Dial in the RPM you desire at the front of the unit, no need for expensive pills or modules to set your RPM.
Allows You to Set an RPM Limit
Protects Against Over Revving, Driveline Failure & Over Heating
Note: Not For use with CDI Units.