[Vehicle Fitment]: Compatible with Honda Civic 2006-2011 L4 1.8L Gas---Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum
[Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance
[Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles