The reasons for replacing an early points-type ignition system with a GM High Energy Ignition (HEI) system are endless. Not only will it clean up the engine compartment by placing the coil on top of ...

The GM HEI (High Energy Ignition) electronic distributors have a reputation for hassle-free performance. Used in GM rigs from its inception in 1974, the famed HEI can be retrofitted to almost any GM ...

MSD is a name that's synonymous with high-quality ignition components. With products ranging from coils to rev limiters, the company is probably best known for its array of ignition control boxes that ...