Thread: 18 to 14mm Spark Plug Adapter.
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Old 08-12-2019, 03:08 PM   #11
JSeery
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Default Re: 18 to 14mm Spark Plug Adapter.
You can just search Spark Plug Insets and you will get all kind of returns.

Here is a straight adapter 18mm to 14mm, but it does leave a lip where the installation nut is.

https://www.ebay.com/itm/Spark-plug-...-/141025801312
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Last edited by JSeery; 08-12-2019 at 03:16 PM.
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