- Gain up to 3HP just by using these plugs!
- The ultimate in spark plug technology and performance from the industry leader
- The iridium electrode is 25% smaller than a platinum electrode, and it’s just 1/4 the size of a conventional nickel electrode
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti-corrosion qualities
- Come pre-gapped
- Sold as pair