Counterfeit Spark Plugs?

invalid@example.com (CowboyTaco), CowboyTaco
Thu, 12 Dec 2019 18:24:54 +0000
Mechanical

So I recently came across a post on another forum regarding counterfeit spark plugs coming from both Amazon and Ebay. Supposedly, it was only NGK that you had to worry about, but turns out the DENSO has become subject to these as well.

I thought I bought my last set of spark plugs from the dealership, but turns out I got them from Ebay. Well, shit. So down the rabbit hole I went. Instead of writing everything that has already been written, here is a post from someone who does about as good...