Never Change Points Again - The Ignitor from Pertronix takes the place of standard points and fits under the stock distributor cap. Installs in about 15 minutes! Provides a 2:1 improvement over "point type" systems. Experience reliable ignition performance in all weather and rpm conditions. Increases horsepower, fuel economy and spark plug life. This proven technology has been used in race cars, off road vehicles, back yard mechanics and more for over 25 years. Legal in all 50 states and Canada (CARB E.O. #D-57-2).