220 RWHP !!!
Who other than yourself is generating such power. Research me some plugs I really could use as a stocker. On the same stroke, I too have been drawn to iridium plugs for the sake of longevity. Gear and motor-heads who regularly get under the hood might consider plug replacement on a semi-regular basis. I'd like mine to last for as long as I'm able to ride. Unfortunately I have to do my own yard work and can't afford to hire others to do it. I've no time over the next 5 years.
Jamie: you forgot the [ at the beginning of end /quote]. Oh, and that's not to point a finger. It is to teach a bit of the technique to the less informed.