which sparkplugs do you like best?

[motor602]

Dom thanks so much for that thorough answer. On a related note, over the life of the plug is there a noticable loss in power? or, do plugs stay relatively consistent in their performance throughout their operating life cycle?

 

[SandViper]

NGK good old cooper core! Dont fall for all that other crap like splitfire... I mean really. Point A to Point B. It has no point choice.