Description
The KnockLink G4 is a visual knock warning system for quick and easy detection of engine knocking - ideal for anyone who wants to monitor knock events without a laptop. Plug-and-play for maximum safety. Link ECU KnockLink G4 (G4KNL) KnockLink G4 visual knock warning The KnockLink G4 is a visual knock warning system for quick and easy detection of engine knocking - ideal for anyone who wants to monitor knock events without a laptop. Plug-and-play for maximum safety.