CLASS RACER FORUM - Motorcraft AF42C Spark Plugs Replacement?

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455	05-27-2009 01:47 PM

Motorcraft AF42C Spark Plugs Replacement?

Motorcraft discontinued the AF42C spark plug a little while ago. Is there a source where you can still purchase them? I have looked and have not found one.

Is their an alternative spark plug that you can suggest to replace it that you like ? Stock running fairly high compression. These were such great plugs. Thanks in advance for your suggestions.

quickford1

05-27-2009 02:47 PM

Re: Motorcraft AF42C Spark Plugs Replacement?

Replacement Autolite 25

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