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NGK Iridium Spark Plug Box of 4 (IFR8H11)

Upgrade your vehicle's performance with the NGK Laser Iridium Spark Plug. Engineered for OE applications, this spark plug offers the best combination of performance and longevity.

With its iridium-tipped center electrode, this spark plug provides durability six times harder than platinum. The high-grade pure alumina ceramic and 98% pure copper core prevent overheating, ensuring reliable starts.

  • Recommended for vehicles with OE fine wire iridium alloy plugs
  • Features a platinum pad on the ground electrode for even wear in distributorless ignition systems
Make Model Year Type
Honda CRF450R 2002 Base
Honda CRF450R 2003 Base
Honda CRF450R 2004 Base
Honda CRF450R 2005 Base
Honda CRF450R 2006 Base
Honda CRF450R 2007 Base
Honda CRF450R 2008 Base
Honda CRF450X 2005 Base
Honda CRF450X 2006 Base
Honda CRF450X 2007 Base
Honda CRF450X 2008 Base
Honda CRF450X 2009 Base
Honda CRF450X 2012 Base
Honda CRF450X 2013 Base
Honda CRF450X 2014 Base
Honda CRF450X 2015 Base
Honda CRF450X 2016 Base
Honda CRF450X 2017 Base
Honda TRX450R 2004 Base
Honda TRX450R 2005 Base
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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