The revolutionary Phormula KS-4 is our most advanced knock detection system.
Designed to be the ultimate knock listening system. The Phormula KS-Pro provides excellent audio clarity for professional tuners.
(Includes sensor, cables and case)
The Phormula KS-3 is a powerful innovative engine knock detection and alert system. Engine knock or detonation can destroy an engine in a matter of seconds. The KS-3 alerts the driver to unsafe knock levels.
(Includes sensor and cables)