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  • Phormula KS-4 Knock Box

Phormula KS-4 Knock Box

$ 590.00



Perhaps one of the most critically important and most indispensable tools to have in a shop or on a modified car is an accurate indicator of detonation.

There are various tools on the market for monitoring detonation and then there's the Phormula KS-4. It is by far the most advanced “knock box" you'll find. It's easily configurable to suit any engine, has a digital display, memory recall, and most importantly, it has a 0-5 volt output so that you can datalog your motor's knock activity.





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