For use in Circle Track and Professional Racing, with Fast Rev Limiter. The Fast Rev limiter is very quick and accurate compared to our Soft Touch Rev limiter. Professional race teams have been relying on the power and endurance of our 6 HVC Ignition Control. The advanced component design and circuitry of the 6 HVC Ignitions produce incredible voltage with high current output. Internally there is an efficient heat sync, solid component mounting and it's all encased in a clear epoxy. The rpm limit is adjustable with plug-in modules and the wiring is routed into NASCAR approved Deutsch style MSD connectors.. Designed for professional racing applications that demand high rpm for long periods of time