Description:

[Vehicle Fitment]: Compatible with Honda Civic 2006-2011 L4 1.8L Gas---Using High-Performance Iridium Spark Plugs. Much better than Nickel and Platinum. [Reference Number]: 5266, IZFR6K-11S, 9807B-561BW, 9807B561BW, SKJ20DRM11, IZFR6K11S. [Specifications]: Center Electrode Tip Material: Iridium; Center Electrode Core Material: Platinum; Resistance (ohms): 5000; Gap Size (IN): 0.044; Hex Size (IN): 5/8; Insulator Height (mm): 50.5; Reach (IN): 0.75; Thread Diameter (MM): 14. [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.