6 Hvc-L With Soft Touch Rev Limiter For Use In Circle Track And Professional Racing Includes Built-In Soft Touch Rev Limiter MSD IgnitionThe 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. The 6 HVC L Ignition has a built in rev limiter that will save the engine from overrev damaged caused