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NGK
IX Iridium Spark Plug Box of 4 (CR9EIX) NGK 3521
Part Number: NGK3521
Manufacturer Part Number:
UPC: 87295135211
$33.80
In Stock
Limited Availability
| year from | year to | make | model | submodel | engine | notes |
|---|---|---|---|---|---|---|
| 1990 | 1997 | Kawasaki | ZX600 Ninja 600R | Base | ||
| 1990 | 2001 | Kawasaki | ZX1100 Ninja ZX-11 | Base | ||
| 1992 | 2000 | Suzuki | GSX-R600 | Base | ||
| 1993 | Kawasaki | ZR1100 | Base | |||
| 1993 | 1995 | Kawasaki | ZX750 Ninja ZX-7 | Base | ||
| 1993 | 1995 | Kawasaki | ZX750 Ninja ZX-7R | Base | ||
| 1993 | 1998 | Suzuki | GSX-R1100 | Base | ||
| 1993 | 2000 | Suzuki | GSX-R750 | Base | ||
| 1993 | 2002 | Kawasaki | ZX600 Ninja ZX-6 | Base | ||
| 1994 | 1996 | Suzuki | RF600 | Base | ||
| 1994 | 1997 | Suzuki | RF900 | Base | ||
| 1994 | 1999 | Suzuki | DR350 | Base | ||
| 1994 | 1999 | Suzuki | DR350SE | Base | ||
| 1994 | 2003 | Kawasaki | ZX900 Ninja ZX-9R | Base | ||
| 1995 | 2012 | Kawasaki | ZX600 Ninja ZX-6R | Base | ||
| 1996 | 2001 | Suzuki | GSF600S Bandit | Base | ||
| 1996 | 2001 | Suzuki | GSX600F Katana | Base | ||
| 1997 | 2000 | Suzuki | TL1000S | Base | ||
| 1998 | 2000 | Suzuki | TL1000R | Base | ||
| 1999 | 2000 | Kawasaki | ZRX1100 | Base | ||
| 1999 | 2001 | Suzuki | GSX1300R Hayabusa | Base | ||
| 1999 | 2001 | Suzuki | GSX750F Katana | Base | ||
| 2001 | Suzuki | GSX-R1000 | Base | |||
| 2001 | 2005 | Kawasaki | ZRX1200 | Base | ||
| 2001 | 2005 | Kawasaki | ZX1200 Ninja ZX-12R | Base | ||
| 2001 | 2007 | Suzuki | DR-Z250 | Base | ||
| 2002 | 2005 | Kawasaki | ZZR1200 | Base | ||
| 2003 | 2005 | Kawasaki | ZX600 Ninja ZX6-RR | Base | ||
| 2003 | 2008 | Kawasaki | ZZR 600 | Base | ||
| 2003 | 2014 | Kawasaki | ZX636 Ninja ZX-6R | Base | ||
| 2004 | 2007 | Ducati | ST3 | Base | ||
| 2005 | 2006 | Kawasaki | Z750S | Base | ||
| 2009 | 2012 | Husqvarna | TE250 | Base | ||
| 2010 | Aprilia | RSV4 Factory | Base | |||
| 2010 | 2011 | Aprilia | RSV4 R | Base | ||
| 2010 | 2012 | Husqvarna | TXC 250 | Base | ||
| 2011 | Aprilia | RSV4 Factory SE | Base | |||
| 2011 | 2013 | Polaris | Ranger RZR XP 900 | Base | ||
| 2012 | Husqvarna | TE310 | Base | |||
| 2012 | Husqvarna | TXC 310 | Base | |||
| 2012 | Kawasaki | JT1500 STX-15F | Base | |||
| 2012 | Kawasaki | JT1500 Ultra LX | Base | |||
| 2012 | 2013 | Polaris | Ranger RZR XP 4 900 EPS LE | Base | ||
| 2012 | 2013 | Polaris | Ranger RZR XP 900 LE | Base | ||
| 2013 | Polaris | Ranger RZR XP 4 900 | Base | |||
| 2013 | Polaris | Ranger RZR XP 900 EPS LE | Base | |||
| 2013 | Polaris | Ranger RZR XP 900 EPS Walker Evans LE | Base | |||
| 2013 | Polaris | Ranger RZR XP 900 HO Jagged X Edition | Base | |||
| 2013 | 2014 | Kawasaki | ZX636 Ninja ZX-6R ABS | Base | ||
| 2015 | Kawasaki | ZX636 Ninja ZX-6R 30th Anniversary | Base | |||
| 2015 | Kawasaki | ZX636 Ninja ZX-6R ABS 30th Anniversary | Base |
- Description
- Reviews
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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