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2006-2011 Honda Civic EX,LX,DX (R18) NGK Laser Iridium OEM Replacement Spark Plugs (4)

Pricing: $58.00

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As a trusted aftermarket parts brand, NGK knows what it takes to optimize your 2006-2011 Honda Civic engine’s performance. This top-of-the-line set of four laser iridium spark plugs guarantees:

  • Faster starts
  • Increased acceleration response
  • Better fuel economy
  • Stable idle
  • Lower emissions
  • Quicker ignitability
  • A long service life

NGK designed these spark plugs with effectiveness and durability as their top priorities. They achieved it with the following key features:

  • A laser-welded iridium center electrode tip
  • A platinum disc welded to the ground electrode
  • Trivalent metal plating with anti-corrosion and anti-seizing properties
  • Triple seals to prevent leaking
  • Corrugated ribs that prevent flashover
  • Pure alumina silicate ceramic insulator for better heat transfer
  • OEM-approved design


  • Part number: # IZFR6K-11S
  • Thread size: 14mm
  • Thread reach: 19mm/0.75”
  • Hex size: 16mm/5/8”
  • Center electrode core material: Copper
  • Center electrode type: Fine wire
  • Center electrode size: 0.6mm
  • Electrode tip material: Iridium
  • Ground electrode core material: Platinum
  • Heat range: 6
  • Projection: Extended projection
  • Resistor: Yes
  • Resistor value: 5K Ohm
  • Longevity: 80-100k
  • Torque specs: (Cast iron) 18-25.3 lb ft. (Aluminum) 18-21.6 lb ft.


This set of NGK laser iridium spark plugs fits the following 2006-2011 Honda Civic models: DX, EX, EX-L, GX, Hybrid, Hybrid-L, LX, LX-S, Si, and MUGEN Si.

Start faster, increase acceleration time – buy your laser spark plugs now.


  • IZFR6K-11S
  • IZFR6K-11S
  • NGK
  • New

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