DYNATEK Two-Stage RPM Limiter DRL-400

Precisely controls over-revving and launch rpm, Launch limits are adjustable from 3000 to 10750 rpm; over-rev limit is adjustable from 10000 to 13750 rpm, Both ranges are adjustable in 250-rpm increments, Works only with single-fire, two-coil inductive-type electronic ignitions; not for CDI-type ignitions, Spares unnecessary poundings of expensive engine components