I bet he does I just never noticed a difference performance wise, let's also note jag has converted the gas powered paperweights of the East into something that could be expected to be sold out of Switzerland, with help from automobile designers from Germany, and 2 not 1 but 2 nasa rocket engineers.. Of course his artwork benefits from a very high performance sparkplug (ehem did I mention engines being built around sparkplugs?) He frigging rebuilt them to higher standards than a Rolex watch.
Yes, his engines perform well and so do his spark plugs, in a standard smokey the bear oil spitting oriental environmental disaster, I see no difference, nor do the other stock riders. 3 prongs, they hold up nicely though.