Home » 4PCS NGK Iridium IX 3521 CR9EIX Spark Plugs - High Performance
4PCS NGK Iridium IX 3521 CR9EIX Spark Plugs - High Performance
NGK

4PCS NGK Iridium IX 3521 CR9EIX Spark Plugs - High Performance

In stock
$20.00

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Product details

  • Vendor NGK
  • SKU NGK3521

Please contact us if you are unsure about the fitment.

Description Warranty

Product Highlights

  • Outstanding Acceleration: Upgrade your vehicle's performance with NGK Iridium IX 3521 Spark Plugs (CR9EIX). The iridium center electrode delivers maximum spark energy, ensuring higher ignitability and improved acceleration compared to standard plugs.
  • Exceptional Durability: Built to last 40,000-50,000 miles, these plugs feature trivalent metal plating for superior anti-corrosion and anti-seizing properties. Designed to handle high temperatures, they are perfect for fuel-injected and turbocharged engines.
  • Trusted Quality: Manufactured by NGK, the world leader in spark plug technology. With over 85 years of innovation, NGK ensures top-notch performance and reliability in every product.

Compatible Models

See the listed models for recommended gap settings:

  • Ranger 900 Xtreme Performance 2013 (gap 0.031)
  • Ranger RZR 570 2012-2013 (gap 0.031)
  • Ranger RZR 900 Xtreme Performance 2011 (gap 0.030)
  • Ranger RZR 900 Xtreme Performance 4 2012 (gap 0.031)
  • 749 2004-2005 (gap 0.030)
  • 999 2003-2005 (gap 0.030)
  • 749 Dark 2005-2006 (gap 0.030)
  • 749R 2004-2005 (gap 0.030)
  • 749S 2004-2006 (gap 0.030)
  • 998 Matrix 2004 (gap 0.030)
  • 999S 2003-2005 (gap 0.030)
  • ST3 2004-2007 (gap 0.030)
  • TC 250 2009-2011 (gap 0.030)
  • TE 250 2009-2012 (gap 0.030)
  • TXC 250 2010-2012 (gap 0.030)
  • Ninja ZX-6R 2012 (gap 0.031)
  • Z1000 2004-2006 (gap 0.031)
  • Z750S 2005-2006 (gap 0.031)
  • Zephyr 1993 (gap 0.030)
  • ZRX1100 1999-2000 (gap 0.032)
  • ZRX1200R 2004-2005 (gap 0.032)
  • ZX-10 1988-1990 (gap 0.032)
  • ZX-11 1990-2001 (liquid-cooled models; gap 0.032)
  • ZX-6R 1995-2011 (gap 0.028)
  • ZX-6RR 2003-2006 (gap 0.028)
  • ZX-7R 1991-1992 (gap 0.032)
  • ZX-7R 1993-2003 (gap 0.030)
  • ZX-9R 1994-2003 (gap 0.031)
  • ZZR1200 2002-2005 (gap 0.036)
  • ZZR600 2003-2008 (gap 0.028)
  • Bandit 600 1995-2003 (gap 0.026)
  • DR-Z250 2001-2007 (gap 0.028)
  • DR350 1994-1999 (gap 0.026)
  • DR350SE 1994-1999 (gap 0.026)
  • GSX-1300R 1999-2007 (gap 0.028)
  • GSX-R1000 2001-2006 (gap 0.028)
  • GSX-R600 1997-2009 (gap 0.028)
  • GSX-R600W 1993 (gap 0.026)
  • GSX-R750 1993 (gap 0.026)
  • GSX-R750 1994-2009 (gap 0.028)
  • Katana 600 1996-2006 (gap 0.031)
  • Katana 750 1999-2006 (gap 0.031)
  • RF600R 1994-1996 (gap 0.028)
  • RF900R 1994-1997 (gap 0.026)
  • TL1000R 1999-2003 (gap 0.026)
  • TL1000S 1997-2000 (gap 0.026)
  • 955i Daytona 2002-2004 (gap 0.026)
  • Daytona 675 2006-2010 (gap 0.028)
  • Speed Four 2002-2005 (gap 0.026)
  • Speed Triple 2002-2004 (gap 0.026)
  • Speed Triple 2007-2008 (gap 0.028)
  • Speed Triple 675 2007-2010 (gap 0.028)
  • Speed Triple R 675 2008-2010 (gap 0.028)
  • Sprint RS 2002-2004 (gap 0.026)
  • Street Triple R 2009-2010 (gap 0.026)
  • Tiger 2007-2010 (gap 0.028)
  • TT600 2000-2003 (gap 0.026)
  • FZ1 2001-2005, 2012-2014 (gap 0.028)
  • FZ1 2006-2010 (gap 0.031)
  • FZ1000 2004-2005 (gap 0.032)
  • FZ6 2009 (gap 0.028)
  • FZ6 2004-2008 (gap 0.031)
  • FZ6R 2009-2013 (gap 0.028)
  • FZ8 2013 (gap 0.032)
  • TT-R250 1999-2006 (gap 0.028)
  • WR250F 2007-2009 (gap 0.028)
  • WR250F 2012-2013 (gap 0.031)
  • WR250R 2008-2010 (gap 0.031)
  • WR250X 2008-2010 (gap 0.031)
  • YZ250F 2012-2013 (gap 0.031)
  • YZF-R1 1998-2001 (gap 0.032)
  • YZF-R1 2004-2008 (gap 0.031)
  • YZF600R 1995-2007 (gap 0.028)
  • YZF750R 1994, 1996-1998 (gap 0.030)
  • FX Nytro 2008-2011 (gap 0.031)
  • FX Nytro MTX 2008-2010 (gap 0.031)
  • FX Nytro MTX Anniversary Edition 2008 (gap 0.031)
  • FX Nytro MTX SE 153 2010-2011 (gap 0.031)
  • FX Nytro MTX SE 162 2010-2011 (gap 0.031)
  • FX Nytro RTX 2008-2011 (gap 0.031)
  • FX Nytro RTX Anniversary Edition 2008 (gap 0.031)
  • FX Nytro RTX SE 2009-2010 (gap 0.031)
  • FX Nytro XTX 2009-2011 (gap 0.031)
  • RX Warrior 2004-2005 (gap 0.031)
  • RX-1 2004-2005 (gap 0.031)