MSD has been making these iconic red ignition boxes since the early ’80s. Since then hundreds of thousands of these units have found their way onto everything from street cars to serious racing ...

Increased performance and reduced complexity don't often go hand in hand. But in the case of the new Digital 6 Plus ignition control module from MSD (PN 6520), the benefits of an adjustable two-step ...

So you're wondering what's the big deal with "digital," are you? Unless you've been hiding under a rock for the past decade, almost everything you hear about is new, improved, and digital. The "old ...