Has anyone got any feedback on using this plug.. I gather it would be a cold plug but I'm not sure.. would like to hear regarding longevity or comparisions to other plugs .. I know there are alot of variables with different engines liking different plugs..

I will be using this plug( if favourable) on an Irvine 40RE MKII.. theres not alot of info on this engine either..I guess it's going to be pot luck for me!!!