Mine is an old Jacob's Electronics unit, some 20 years old. It can easily be spliced into any NON-CDI system. IDK maybe it could even be wired into nearly any system with a distributor.
But hey, it's just a tool to make getting your tune set up quickly and accurately. You can do it without the tool, it will just take a lot longer.
And don't call me sir, lol. AJ is my name.