Originally Posted by 360view
In the Champion “double platinum” manufactured 2004-2012 the little platinum alloy discs will come off and cause random misfires.

NGK irridium plugs have worked well for replacements



The NGK iridium plugs are a good plug, I've used them in applications with excellent results, as far as Champions, they were a good plug manufacturer many decades ago, however every plug line they offer today is pure junk....


Mike