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Re: A-C Delco spark plug problems anyone?
Posted to Technical Discussion Forum on 4/9/2020 10 Replies

Dan, first of all the part number on the spark plugs doesn't match the part number you bought.

Second, unfortunately the spark plugs you installed, or at least the ones in your pictures are counterfeit parts.

Take a look at these pictures.

[Counterfeit A... Login to read more.

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