o.s plugs

i was looking at an os #8 plug, and noticed the copper washer missing. does os not supply a washer with its plugs? if not, is it needed?

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That is a packaging error. The washer is needed for sealing as well as to keep the plug from extending too far into the combustion chamber.

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Paul McIntosh

Yup agree! if the washer is missing the correct compression int h

combustion chamber will not be reached and like the fella says you ru the risk of embedding the piston on to the plug! Ouch

-- Geoblok

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