For over 30 years the Pertronix Ignitor has proven itself in applications ranging from race cars to tractors. The Ignitor replaces breaker points and troublesome factory electronic ignitions with a dependable self contained and maintenance free electronic ignition system. The Ignitor has been called the stealth ignition because of its quick installation and nearly undetectable presence under your distributor cap. There is no black-box to clutter the engine compartment. For optimal performance use the Ignitor with Flame-Thrower 40000 volt coils.FEATURESDelivers twice the voltage to the spark plugs increasing horsepower fuel economy and spark plug life2:1 improvement over points in current fail time for increased coil outputRotating cobalt magnets trigger a Hall Effect integrated circuit ..