E-3 plugs worth the money?

itate said

Autolite 3923's are one heat range colder than 3924, lots of cars use the 3923 and should be in stock about anywhere.

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That's why I don't like to use any brand other than Champions for Mopars. Every manufacturer has their own ideas about what plug they produce that matches the correct factory plug. I run AC's in my wife's Buick for the same reason.