NGK Iridium IX 6 Spark Plugs

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Our top-grade Spark Plugs are the key to igniting your ride. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

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  1. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2003-2006 Nissan 350Z 3.5L V6
    Rating:
    100%
    Special Price $51.48 Regular Price $73.99
  2. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2003-2007 Infiniti G35 3.5L V6
    Rating:
    100%
    Special Price $51.48 Regular Price $73.99
  3. NGK Spark Plug
    6 pc NGK Iridium IX 93175 LKR7DIX-11S Spark Plugs
    Special Price $46.45 Regular Price $47.40
  4. NGK Iridium IX
    6 pc NGK Iridium IX 2668 BKR8EIX Spark Plugs
    Rating:
    100%
    Special Price $47.20 Regular Price $66.99
  5. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2011-2017 Ford Mustang 3.7L V6
    Rating:
    100%
    Special Price $51.26 Regular Price $72.99
  6. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2009-2019 Honda Pilot 3.5L V6
    Rating:
    100%
    Special Price $52.53 Regular Price $74.99
  7. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2011-2019 Ford F-150 3.5L V6
    Special Price $52.31 Regular Price $74.99
  8. NGK Iridium IX
    6 pc NGK Iridium IX 6619 LFR6AIX-11 Spark Plugs
    Special Price $46.45 Regular Price $65.99
  9. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2011-2018 Ford Edge 3.5L 3.7L V6
    Rating:
    100%
    Special Price $51.26 Regular Price $72.99
  10. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2007-2018 Lexus ES350 3.5L V6
    Special Price $51.48 Regular Price $73.99
  11. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1993-2005 Lexus GS300 3.0L L6
    Special Price $52.31 Regular Price $74.99
  12. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2008-2017 Honda Accord 3.5L V6
    Rating:
    100%
    Special Price $52.53 Regular Price $74.99
  13. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2015-2019 Acura TLX 3.5L V6
    Special Price $52.53 Regular Price $74.99
  14. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2005-2015 Toyota Tacoma 4.0L V6
    Rating:
    100%
    Special Price $52.53 Regular Price $74.99
  15. NGK Iridium IX
    6 pc NGK Iridium IX 2669 BKR9EIX Spark Plugs
    Special Price $47.20 Regular Price $66.99
  16. NGK Iridium IX
    6 pc NGK Iridium IX 5464 BKR5EIX-11 Spark Plugs
    Special Price $47.20 Regular Price $66.99
  17. 6 pc NGK Iridium IX Spark Plugs for 2013-2017 Ram 1500 3.6L V6
    6 pc NGK Iridium IX Spark Plugs for 2013-2017 Ram 1500 3.6L V6
    Special Price $50.81 Regular Price $72.99
  18. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2001-2005 Lexus IS300 3.0L L6
    Special Price $51.26 Regular Price $72.99
  19. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2000-2002 Audi S4 2.7L V6
    Special Price $51.26 Regular Price $72.99
  20. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1994-2000 Lexus GS300 3.0L L6
    Special Price $51.26 Regular Price $72.99
  21. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1992-2005 BMW 325i 2.5L L6
    Rating:
    100%
    Special Price $52.31 Regular Price $74.99
  22. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1997-2003 Volkswagen EuroVan 2.8L V6
    Rating:
    100%
    Special Price $52.31 Regular Price $74.99
  23. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2011-2017 Chrysler 200 3.6L V6
    Special Price $52.53 Regular Price $74.99
  24. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2007-2015 Lexus RX350 3.5L V6
    Rating:
    100%
    Special Price $52.53 Regular Price $74.99
  25. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2005-2008 Chrysler Pacifica 3.8L V6
    Rating:
    100%
    Special Price $51.48 Regular Price $73.99
  26. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2002-2012 Jeep Liberty 3.7L V6
    Special Price $52.31 Regular Price $74.99
  27. NGK Spark Plug
    6 pc NGK Iridium IX 94553 ZFR5AIX-11 Spark Plugs
    Special Price $46.45 Regular Price $47.40
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Whether you are looking for a long-lasting performance spark plug, or one for everyday use, Sixity has the NGK, DENSO, and Champion spark plugs you need, at prices you will not find anywhere else.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
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