For over thirty years, the 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 ign Product Features:PerTronix MR-1122A Ignitor Marelli 12 cyl 3 Lobe Point Cam 2 ModulesDelivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life.