MSD's ubiquitous 6AL ignition box is practically an icon among circle track racers, but there is a common problem among racers that attempt to modify the system.

All of MSD’s ignition control boxes take advantage of the quick spark turnaround of CDI. A step up from the 6A, is the 6AL, which has the addition of a rev limiter.

You might know it as MSD Ignition, a company most famous for its line of ignition boxes, and in fact MSD stands for multiple spark discharge. Most companies would kill to have the market share ...

Breaker points, electronic, and multiple spark discharge systems have similar parts, but they operate differently. Learn how.

By tuning your MSD ignition system through coil selection, you can tune the shape of the spark delivered to your plugs. You can have high peak spark intensity but shorter spark duration, or lower ...