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NGK Iridium IX Spark Plug Box of 4 (CR9EHIX-9)

Unlock your engine's full potential with the NGK Iridium IX Spark Plug. Designed for performance enthusiasts, these spark plugs deliver exceptional acceleration, fuel efficiency, and durability.

  • Outstanding acceleration and high fuel efficiency
  • Extreme ignitability and exceptional anti-fouling
  • Tapered cut ground electrode for improved starting, idling, and throttle response
  • Iridium fine wire center electrode's durability is six times harder than platinum

Upgrade your engine with the NGK Iridium IX Spark Plug and experience the difference.

Make Model Year Type
Honda CB600F 599 2004 Base
Honda CBR1100XX Super Blackbird 1997 Base
Honda CBR1100XX Super Blackbird 1998 Base
Honda CBR1100XX Super Blackbird 1999 Base
Honda CBR1100XX Super Blackbird 2000 Base
Honda CBR600F F2 1991 Base
Honda CBR600F F2 1992 Base
Honda CBR600F F2 1993 Base
Honda CBR600F F2 1994 Base
Honda CBR600F F3 1995 Base
Honda CBR600F F3 1996 Base
Honda CBR600F F3 1997 Base
Honda CBR600F F3 1998 Base
Honda CBR600F F4 1999 Base
Honda CBR600F F4 2000 Base
Honda CBR650F 2014 Base
Honda CBR650F 2014 Base
Honda CBR650F 2014 Base
Honda CBR650F 2014 Base
Honda CBR650F ABS 2014 Base
Honda CBR650F ABS 2014 Base
Honda CRF150R 2020 Base
Honda CRF150R Expert 2020 Base
Honda NHX110 Elite 2010 Base
Honda NX250 1988 Base
Honda NX250 1989 Base
Honda NX250 1990 Base
Honda RVF750R RC45 1994 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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