I replaced my Champions with NGK Iridium plugs at the suggestion of RIPP to work with their SC - seem to work fine so far. I did notice they are a cooler plug and gapped different than stock.
08 JK 23S - Colorado Jeep Club No. 204
Too much to list - see my profile for details on build
NRA Life member
"It takes a special kind of stupid to believe criminals will follow gun laws."
I do not consider myself a smartass. I point out the obvious, search for the truth, and speak fluent sarcasm. I am, by experience, an accomplished curmudgeon.