MSD RPM Module/Chip Tester. If you're using an MSD ignition box or rpm module, you need to have one of these rpm checkers. Each tester operates on a single 9 V battery and is simple to use; you just plug it into your MSD ignition box or rpm module and hold down the button—that's it.
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Designed with manufacturer specifications, this RPM tester ensures accurate readings and dependable performance for automotive enthusiasts and professionals alike. Constructed with durable black finish.
Featuring a user-friendly digital interface, the RPM Chip Tester provides quick and accurate readings, helping you diagnose issues or verify chip functionality efficiently. Whether you're working on performance upgrades or routine maintenance, this tester streamlines the process and enhances your diagnostic capabilities.
MSD RPM Module/Chip Tester. If you're using an MSD ignition box or rpm module, you need to have one of these rpm checkers. Each tester operates on a single 9 V battery and is simple to use; you just plug it into your MSD ignition box or rpm module and hold down the button—that's it.