Sensor Indmar Knock 2006+ Sensor Only

Indmar SENSOR KNOCK - (Fits on ALL 5.7L, 6.0L 6.2L GM Engines from 2006 - Up), Indmar Part# 551392 or S551392, Not Used on LCR, LTR other Indmar Low Cost motors, ***NOTE*** Make sure to never install anything in between the block and the knock sensor other than what is factory. It is crucial for the engines ignition system that the knock sensor has a proper connection to the engine block., Sold Individually (qty 1 = 1 Sensor) Most engines are equipped with two, one on each side of the block., Replacement Indmar knock sensor only used on Indmar Engines 2006+.,