Copper Core Spark Plug
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Traditional nickel electrodes. Copper core improves resistance to fouling. Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low rpms and pre-ignition at high speeds.
* Replaces OEM # 31600105
* Replaces OEM # 31600106
* Replaces OEM # 32317-86
* Replaces OEM # 32362-04A
