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    1986 Mazda Truck B2000 2.0L 2BL SOHC 4cyl

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    Spark Plug Non-Fouler

    Spark Plug Non-Fouler Operation:

    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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