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