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NGK Ruthenium HX Spark Plug Box of 4 (FR7BHX-S)

Upgrade your vehicle's performance with the NGK Ruthenium HX Spark Plug Box of 4. These spark plugs are designed to provide the highest performance and life expectancy for modern vehicles.

With NGK's patented Ruthenium technology, these spark plugs offer the most advanced tip technology and deliver the highest performance and life expectancy. They are designed to provide a more complete fuel burn, resulting in a quicker throttle response, smoother idle, and better cold starts.

  • Patented Ruthenium technology for high performance and life expectancy
  • Designed for modern vehicles using OE PSPE type spark plugs
  • Provides a more complete fuel burn for better performance

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Acura RSX 2002 Type-S
Acura RSX 2003 Type-S
Acura RSX 2004 Type-S
Acura RSX 2005 Type-S
Acura RSX 2006 Type-S
Audi A3 2006 Base
Audi A3 2007 Base
Audi A3 2008 Base
Audi A3 2009 Base
Audi A3 2010 Base
Audi A3 2011 Base
Audi A3 2012 Base
Audi A3 2013 Base
Audi A3 Quattro 2009 Base
Audi A3 Quattro 2010 Base
Audi A3 Quattro 2011 Base
Audi A3 Quattro 2012 Base
Audi A3 Quattro 2013 Base
Audi A4 2005 Base
Audi A4 2006 Base
Audi A4 2007 Base
Audi A4 2007 Cabriolet
Audi A4 2008 Base
Audi A4 2008 Cabriolet
Audi A4 2009 Base
Audi A4 2009 Cabriolet
Audi A4 2010 Base
Audi A4 2011 Base
Audi A4 2012 Base
Audi A4 2013 Base
Audi A4 2014 Base
Audi A4 2015 Premium
Audi A4 2015 Premium Plus
Audi A4 2015 Prestige
Audi A4 2016 Premium
Audi A4 2016 Premium Plus
Audi A4 Quattro 2005 Avant
Audi A4 Quattro 2005 Base
Audi A4 Quattro 2006 Avant
Audi A4 Quattro 2006 Base
Audi A4 Quattro 2007 Avant
Audi A4 Quattro 2007 Base
Audi A4 Quattro 2007 Cabriolet
Audi A4 Quattro 2008 Avant
Audi A4 Quattro 2008 Base
Audi A4 Quattro 2008 Cabriolet
Audi A4 Quattro 2009 Avant
Audi A4 Quattro 2009 Base
Audi A4 Quattro 2009 Cabriolet
Audi A4 Quattro 2010 Avant
Audi A4 Quattro 2010 Base
Audi A4 Quattro 2011 Avant
Audi A4 Quattro 2011 Base
Audi A4 Quattro 2012 Avant
Audi A4 Quattro 2012 Base
Audi A4 Quattro 2013 Base
Audi A4 Quattro 2014 Base
Audi A4 Quattro 2015 Premium
Audi A4 Quattro 2015 Premium Plus
Audi A4 Quattro 2015 Prestige
Audi A4 Quattro 2016 Premium
Audi A4 Quattro 2016 Premium Plus
Audi A5 2010 Cabriolet
Audi A5 2011 Cabriolet
Audi A5 2012 Cabriolet
Audi A5 2013 Cabriolet
Audi A5 2014 Cabriolet
Audi A5 Quattro 2010 Base
Audi A5 Quattro 2010 Cabriolet
Audi A5 Quattro 2011 Base
Audi A5 Quattro 2011 Cabriolet
Audi A5 Quattro 2012 Base
Audi A5 Quattro 2012 Cabriolet
Audi A5 Quattro 2013 Base
Audi A5 Quattro 2013 Cabriolet
Audi A5 Quattro 2014 Base
Audi A5 Quattro 2014 Cabriolet
Audi A5 Quattro 2015 Premium
Audi A5 Quattro 2015 Premium Plus
Audi A5 Quattro 2015 Prestige
Audi A5 Quattro 2016 Premium
Audi A5 Quattro 2016 Premium Plus
Audi A5 Quattro 2017 Sport
Audi A6 2006 Base
Audi A6 2007 Base
Audi A6 2008 Base
Audi A6 2012 Premium
Audi A6 2012 Premium Plus
Audi A6 2013 Premium
Audi A6 2013 Premium Plus
Audi A6 2014 Premium
Audi A6 2014 Premium Plus
Audi A6 2015 Premium
Audi A6 2015 Premium Plus
Audi A6 Quattro 2005 Base
Audi A6 Quattro 2006 Avant
Audi A6 Quattro 2006 Base
Audi A6 Quattro 2007 Avant
Audi A6 Quattro 2007 Base
Audi A6 Quattro 2008 Avant
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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