NGK Ruthenium HX 8 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 Spark Plug
    8 pc NGK Ruthenium HX 96355 LFR5AHX Spark Plugs
    Special Price $84.41 Regular Price $86.13
  2. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2000-2009 Toyota Tundra 4.7L V8
    Rating:
    100%
    Special Price $95.23 Regular Price $135.99
  3. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 1997-2000 Lexus SC400 4.0L V8
    Special Price $95.23 Regular Price $135.99
  4. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2003-2009 Lexus GX470 4.7L V8
    Special Price $95.23 Regular Price $135.99
  5. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2014-2019 Infiniti Q70 5.6L V8
    Special Price $93.03 Regular Price $132.99
  6. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2011-2013 Infiniti M56 5.6L V8
    Special Price $93.03 Regular Price $132.99
  7. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 1998-2007 Lexus LX470 4.7L V8
    Special Price $93.33 Regular Price $132.99
  8. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2006-2008 BMW 750i 4.8L V8
    Special Price $93.33 Regular Price $132.99
  9. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2001-2007 Lexus GS430 4.3L V8
    Special Price $93.33 Regular Price $132.99
  10. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2001-2003 Audi S8 4.2L V8
    Special Price $93.33 Regular Price $132.99
  11. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2002-2010 Lexus SC430 4.3L V8
    Special Price $93.33 Regular Price $132.99
  12. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2001-2006 Lexus LS430 4.3L V8
    Special Price $93.33 Regular Price $132.99
  13. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 1998-2000 Lexus GS400 4.0L V8
    Special Price $93.33 Regular Price $132.99
  14. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2004-2009 Audi S4 4.2L V8
    Special Price $93.33 Regular Price $132.99
  15. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2003-2010 Infiniti M45 4.5L V8
    Special Price $93.62 Regular Price $133.99
  16. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2002-2006 Infiniti Q45 4.5L V8
    Special Price $93.62 Regular Price $133.99
  17. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2009-2011 Kia Borrego 4.6L V8
    Special Price $93.62 Regular Price $133.99
  18. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2014 Infiniti QX70 5.0L V8
    Special Price $94.93 Regular Price $135.99
  19. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2017-2020 Nissan Titan 5.6L V8
    Special Price $94.93 Regular Price $135.99
  20. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 1998-2003 BMW 540i 4.4L V8
    Special Price $95.23 Regular Price $135.99
  21. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2006-2010 BMW 550i 4.8L V8
    Special Price $95.23 Regular Price $135.99
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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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