AC 82-M Spark Plugs. What is their application?


New member
Hi all. I have some new AC 82-M spark plugs and can fine no info on them. Does anybody know their application(s). Thanks in advance....Jim


New member
Usually not good practice to reply to an old thread, but I was just reading about these plugs on the Antique Outboard site. Apparently these were used on the " 1937 Evinrude Imperial
Lightfour “high pressure” pump motor...."