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So you guys don’t buy the plugs from Honda?

How would you know if you have the correct plugs if you buy them from Autozone?

I didn’t know about the stamp on the engine and I might have the incorrect plugs.
Basically if you don't buy the indexed plugs from Honda you might get incorrect plugs no matter where or what else you buy.

There is a thread on the forum somewhere how to change the orientation of the plugs with different thickness spark plug washers.
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