It only took a little over an hour to get done, I was expecting more of a fight lol but I had been wondering why my fuel efficiency had been dropping. Now I'll see how the Denso 4711's fair.

Stock plugs new vs used
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The 4 I pulled out
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Zoomed in on the worst (non-symmetrical balling)
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Stock gap is 1.1mm, these were worn down to 1.58 / 1.61 @ ~155K