MSD 89952 - RPM Module/Chip Tester

MSD - 89952

RPM Chip Tester - Digital - Black - Each

RPM Module Tester; Incl. 9V Battery; Black;

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. MSD rpm module testers are essential for any racing class with rpm limitations.

• Essential For Any Racing Class w/Rpm Limitations
• Test MSD Box Or RPM Module
• Simply Plug-In And Hold Button