From lawn mowers to chain saws, this plug provides quicker consistent starts versus the average plug and an anti-foul design. A 0.6 millimeter iridium enhanced fine wire design offers exceptional fouling resistance providing reliable starting in any season or weather condition. Up to 26 per cent quicker engine starts than leading standard plugs providing less battery and starter wear as well as less pull cord effort required. Up to 21 per cent less HC emissions than a standard plug providing better fuel efficiency and horsepower.