There are plenty of opinions floating out there as well as really expensive plug choices, but you can't go wrong with a quality copper spark plug (Autolite, Motorcraft, et al).
Now, if somebody comes along and posts dyno graphs showing gains of 25rwhp with a "fancy" spark plug compared to a copper plug on a '98 snake...
There are plenty of opinions floating out there as well as really expensive plug choices, but you can't go wrong with a quality copper spark plug (Autolite, Motorcraft, et al).
BTW - What mods do you have? Power adder, etc?