Reply To: KA 37 spark plugs

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August 10, 2025 at 4:38 pm #298838
JOSEPH BRINCAT
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    Just a note on the NGK plug coding system … unlike Champion and many other brands the heat code ( last digit) is goes opposite…. the larger the number the colder the plug.

    I have been having good luck with NGK plugs, I like them

    Joe B