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Spark plug thread pitch

Posted: Mon Jun 17, 2024 8:02 am

by Art Tiller

I have an AeroVee 2180 V2.0 engine. Concerning spark plug holes, what is the common thread pitch? 1.25 or 1.5

Re: Spark plug thread pitch

Posted: Mon Jun 17, 2024 8:28 am

by Bryan Cotton

A search on Autolite 4163 shows 12x1.25
https://www.autolitesparkplugs.com/auto ... spark-plug