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The ACDelco MR43LTS Resistor Spark Plug is designed to provide a stable spark and reliable operation when used in the engine and calibration specified by the manufacturer.
Its resistor design helps reduce radio frequency interference from the ignition system and promotes a stable spark when the application specifies this model.
Compatible applications:
Features:
Important: Check the recommended part number, electrode gap, and installation torque indicated in the engine manual. A spark plug with incorrect dimensions, heat range, or calibration can affect the performance of the ignition system.