Knock Gauge - Black Face / Black Trim
Detonation is your worst enemy and is the main cause of a blown head gasket, burned pistons or worse. Protect your engine with this unique knock display unit. Designed to fit into a standard 2-1/16 in. gauge opening or gauge pod, the three-color LED display gives you "real time" visual indication of the severity of detonation. Simple 3-wire hookup. Requires the factory ESC module to operate.
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