Reply To: NGK B6S sparkplugs discontinued

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July 3, 2021 at 2:37 pm #241849
Mumbles
Participant

    The R is for resistor style. Your AM radio and sensitive electronics won’t get scrambled using them but you may have a bit weaker spark at the plug if used on a points style ignition system. Resistor plugs are meant more for Capacitor Discharge (CD) ignition systems.

    What’s this world coming to? No more B6S plugs? First it was the shorty bantam BM6A and BM7A plugs being dropped and replaced by resistor plugs and now the mother of all plugs, the B6S?