Removing the gasket from spark plugs?
kt340sport said
So what is the purpose!!!!!! I must be getting old .
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you remove the washers as stated the tube acts as the washer. not the reason you NEED to is because the pulg can overheat with the washer and tube installed.
as far as i know the "peanut" head (no tubes) take a completely different 5/8" plug...
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