Article no.:
3521
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NGK IX Iridium Spark Plug Box of 4 (CR9EIX)
Take your vehicle's performance to the next level with the NGK IX Iridium Spark Plug Box of 4. Designed for the performance enthusiast, these spark plugs provide outstanding acceleration, high fuel efficiency, and durability.
With their tapered cut ground electrode, these spark plugs offer improved starting, idling, and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum, making it perfect for today's engines.
- Recommended for modified or high-performance applications
- Upgrade to OE nickel alloy spark plugs
- Extreme ignitability and exceptional anti-fouling
- Tapered cut ground electrode for improved starting and throttle response
- Iridium fine wire center electrode for increased durability
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Suzuki | DR-Z250 | 2001 | Base |
| Suzuki | DR-Z250 | 2002 | Base |
| Suzuki | DR-Z250 | 2003 | Base |
| Suzuki | DR-Z250 | 2004 | Base |
| Suzuki | DR-Z250 | 2005 | Base |
| Suzuki | DR-Z250 | 2006 | Base |
| Suzuki | DR-Z250 | 2007 | Base |
| Suzuki | DR350 | 1994 | Base |
| Suzuki | DR350 | 1995 | Base |
| Suzuki | DR350 | 1996 | Base |
| Suzuki | DR350 | 1997 | Base |
| Suzuki | DR350 | 1998 | Base |
| Suzuki | DR350 | 1999 | Base |
| Suzuki | DR350SE | 1994 | Base |
| Suzuki | DR350SE | 1995 | Base |
| Suzuki | DR350SE | 1996 | Base |
| Suzuki | DR350SE | 1997 | Base |
| Suzuki | DR350SE | 1998 | Base |
| Suzuki | DR350SE | 1999 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSF600S Bandit | 1996 | Base |
| Suzuki | GSX-R1000 | 2001 | Base |
| Suzuki | GSX-R1000 | 2002 | Base |
| Suzuki | GSX-R1000 | 2003 | Base |
| Suzuki | GSX-R1000 | 2004 | Base |
| Suzuki | GSX-R1000 | 2005 | Base |
| Suzuki | GSX-R1000 | 2006 | Base |
| Suzuki | GSX-R1100 | 1993 | Base |
| Suzuki | GSX-R1100 | 1994 | Base |
| Suzuki | GSX-R1100 | 1995 | Base |
| Suzuki | GSX-R1100 | 1996 | Base |
| Suzuki | GSX-R1100 | 1997 | Base |
| Suzuki | GSX-R1100 | 1998 | Base |
| Suzuki | GSX-R600 | 1997 | Base |
| Suzuki | GSX-R600 | 1998 | Base |
| Suzuki | GSX-R600 | 1999 | Base |
| Suzuki | GSX-R600 | 2000 | Base |
| Suzuki | GSX-R600 | 2001 | Base |
| Suzuki | GSX-R600 | 2002 | Base |
| Suzuki | GSX-R600 | 2003 | Base |
| Suzuki | GSX-R600 | 2004 | Base |
| Suzuki | GSX-R600 | 2005 | Base |
| Suzuki | GSX-R600 | 2006 | Base |
| Suzuki | GSX-R600 | 2007 | Base |
| Suzuki | GSX-R750 | 1993 | Base |
| Suzuki | GSX-R750 | 1994 | Base |
| Suzuki | GSX-R750 | 1995 | Base |
| Suzuki | GSX-R750 | 1996 | Base |
| Suzuki | GSX-R750 | 1997 | Base |
| Suzuki | GSX-R750 | 1998 | Base |
| Suzuki | GSX-R750 | 1999 | Base |
| Suzuki | GSX-R750 | 2000 | Base |
| Suzuki | GSX-R750 | 2001 | Base |
| Suzuki | GSX-R750 | 2002 | Base |
| Suzuki | GSX-R750 | 2003 | Base |
| Suzuki | GSX1300R Hayabusa | 1999 | Base |
| Suzuki | GSX1300R Hayabusa | 2000 | Base |
| Suzuki | GSX1300R Hayabusa | 2001 | Base |
| Suzuki | GSX1300R Hayabusa | 2002 | Base |
| Suzuki | GSX1300R Hayabusa | 2003 | Base |
| Suzuki | GSX1300R Hayabusa | 2004 | Base |
| Suzuki | GSX1300R Hayabusa | 2005 | Base |
| Suzuki | GSX1300R Hayabusa | 2006 | Base |
| Suzuki | GSX1300R Hayabusa | 2007 | Base |
| Suzuki | GSX1300R Hayabusa Limited Edition | 2006 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX600F Katana | 1988 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | GSX750F Katana | 1989 | Base |
| Suzuki | RF600 | 1994 | Base |
| Suzuki | RF600 | 1994 | Base |
| Suzuki | RF600 | 1994 | Base |
| Suzuki | RF900 | 1994 | Base |
| Suzuki | RF900 | 1995 | Base |
| Suzuki | RF900 | 1996 | Base |
| Suzuki | RF900 | 1997 | Base |
| Suzuki | TL1000R | 1998 | Base |
| Suzuki | TL1000R | 1999 | Base |
| Suzuki | TL1000R | 2000 | 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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