MSD 6A - What you need to know

If you run a MSD 6A or similar electronic ignition system you MUST run Heli-Core style wires - you can not run solid core wires or your MSD unit will burn out!

MSD Heli-Core wire features a stainless steel conductor that is wound around a special glass core. The stainless conductor provides a low resistance path for high voltage to flow while keeping Electro Magnetic Interference (EMI) to a minimum.

Because the conductor is wound around a special glass inner core, the EMI is suppressed inside the wire where it cannot interfere with other electronic devices on your vehicle.

Heli-Core Wires also prevent a phenomenon known as Inductive crossfire. When two wires are routed close to each other and happen to follow the firing order of the engine, the spark from one wire could be induced into the other wire.

Inductive crossfire would cause the other cylinder to ignite far advanced and will cause detonation. MSD Spark Plug Wires prevent inductive crossfire with our special winding procedure and center core material. The EMI and voltage is held within the wire and is transferred only to the plug!