Glossary “breaker cam” Definition:
The rotating part, located near the top of the conventional distributor, that has lobes that cause the breaker points to open and close as the shaft is rotated.

Glossary “breaker point gap” Definition:
The air gap at the contacts of the breaker points.

Glossary “breaker points” Definition:
In a conventional ignition system, an electrical switch that when closed provides current flow in the primary circuit to allow the magnetic field to build. When opened, current flow stops and secondary circuit is discharge, and the spark is delivered to the secondary ignition system. Often called contact points.

Glossary “breaker trigger system” Definition:
Any ignition system that utilizes conventional breaker contacts to time and trigger the system.