NGK Iridium spark plugs

[Skidmarx]

i havnt had my busa long enough to need plugs, but my R1 used to go through plugs pretty bad, used to kill one or 2 plugs about every 1500k's then she would missfire and id end up riding home on 2 or 3 cyls, put in a set of ngk iridiums in the next hotter heat range, didnt have a drama after that, its now done around 6000 hard k's with out a hint of drama, cant say i noticed a power or torque increase, but reliability definatly jumped up a few notches