DRL-300 (Inductive) KitThe Dynatek DRL 300 Rev Limiter is a single stage RPM limiter designed for high side engine over rev protection. It is compatible with most OEM electronic ignitions systems and the Dyna S. It is not compatible with coil on plug ignition systems. Features: Single stage RPM limiter designed for high side engine over rev protection Has separate kill input for ignition kill Wide range of adjustment for use with 1 6 cylinder engines