Replaces breaker points with electronic ignition No maintenance or periodic adjustments required Boosts performance, economy, and spark plug life The Pertronix Ignitor1 Kit is a must-have upgrade for '69 and onward 12v vacuum advance distributors. Replacing the traditional breaker points, this kit provides a reliable and maintenance-free electronic ignition system. Its precise engineering ensures optimal performance with no need for external control boxes or frequent servicing. Installation is quick and easy, making it a perfect fit for anyone looking to improve ignition reliability. For over 40 years, the Ignitor has proven its reliability in various vehicles, from race cars to tractors.