A fitting used on the electrode end of a spark plug. It minimizes exposure of the plug electrode to oil fouling in the combustion chamber. It raises the spark plug higher in the chamber and away from high concentrations of fouling agents.
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A fitting used on the electrode end of a spark plug. It minimizes exposure of the plug electrode to oil fouling in the combustion chamber. It raises the spark plug higher in the chamber and away from high concentrations of fouling agents.
