NGK’S! Proven reliability, preferred by professionals!
And no, I’m not on their payroll or have any connection with the company. I’ve just had bad experiences with new Champions right out of the box and NGK’s have never let me down.
Champion J6J or J6C will cross over to NGK B6S While J4J or J4C will be B8S.
http://www.sparkplug-crossreference.com/
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