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Discussion Starter · #1 ·
What heads use the autolite 2545 spark plugs?
Have an engine that I am not sure what the heads are.
Have it in a 80 f100 now, its a roller block, didnt see the heads models when we had the valve covers off though.
Thanks,
Chris
 

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I'm guessing they're in E6s. That's what my '86 had in them.
 

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