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NGK Ruthenium HX Spark Plug Box of 4 (TR6AHX)

Upgrade your vehicle's performance with the NGK Ruthenium HX Spark Plug Box of 4 (TR6AHX). These spark plugs are designed to provide the highest performance and life expectancy for modern vehicles.

  • Patented Ruthenium technology for advanced tip technology and high performance
  • Provides a more complete fuel burn resulting in a quicker throttle response, smoother idle, and better cold starts
  • Industry-leading durability with Ruthenium center electrode

Recommended for modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology.

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

Make Model Year Type
Aston Martin DB7 2000 Vantage
Aston Martin DB7 2000 Vantage Volante
Aston Martin Vanquish 2002 Base
Aston Martin Vanquish 2003 Base
Aston Martin Vanquish 2004 Base
Aston Martin Vanquish 2005 Base
Aston Martin Vanquish 2005 S
Aston Martin Vanquish 2006 S
Chevrolet Camaro 2014 Z/28
Chevrolet Camaro 2015 Z/28
Chevrolet Corvette 2006 Z06
Chevrolet Corvette 2007 Z06
Chevrolet Corvette 2008 427 Limited Edition Z06
Chevrolet Corvette 2008 Z06
Chevrolet Corvette 2009 Z06
Chevrolet Corvette 2010 Z06
Chevrolet Corvette 2011 Z06
Chevrolet Corvette 2011 Z06 Carbon
Chevrolet Corvette 2012 Z06
Chevrolet Corvette 2013 427
Chevrolet Corvette 2013 Z06
Ford Crown Victoria 1998 Base
Ford Crown Victoria 1998 LX
Ford Crown Victoria 1998 Police Interceptor
Ford Crown Victoria 1998 S
Ford Crown Victoria 1999 Base
Ford Crown Victoria 1999 LX
Ford Crown Victoria 1999 Police Interceptor
Ford Crown Victoria 1999 S
Ford Crown Victoria 2000 Base
Ford Crown Victoria 2000 LX
Ford Crown Victoria 2000 Police Interceptor
Ford Crown Victoria 2000 S
Ford Crown Victoria 2001 Base
Ford Crown Victoria 2001 LX
Ford Crown Victoria 2001 Police Interceptor
Ford Crown Victoria 2001 S
Ford Crown Victoria 2002 Base
Ford Crown Victoria 2002 LWB
Ford Crown Victoria 2002 LX
Ford Crown Victoria 2002 Police Interceptor
Ford Crown Victoria 2002 S
Ford Crown Victoria 2003 Base
Ford Crown Victoria 2003 LWB
Ford Crown Victoria 2003 LX
Ford Crown Victoria 2003 Police Interceptor
Ford Crown Victoria 2003 S
Ford Crown Victoria 2004 Base
Ford Crown Victoria 2004 LWB
Ford Crown Victoria 2004 LX
Ford Crown Victoria 2004 LX Sport
Ford Crown Victoria 2004 Police Interceptor
Ford Crown Victoria 2004 S
Ford Crown Victoria 2005 Base
Ford Crown Victoria 2005 LWB
Ford Crown Victoria 2005 LX
Ford Crown Victoria 2005 Police Interceptor
Ford Crown Victoria 2005 S
Ford Crown Victoria 2005 Special Edition
Ford Crown Victoria 2006 Base
Ford Crown Victoria 2006 Fleet
Ford Crown Victoria 2006 LWB
Ford Crown Victoria 2006 LX
Ford Crown Victoria 2007 Base
Ford Crown Victoria 2007 Fleet
Ford Crown Victoria 2007 LWB
Ford Crown Victoria 2007 LX
Ford Crown Victoria 2008 Base
Ford Crown Victoria 2008 Fleet
Ford Crown Victoria 2008 LWB
Ford Crown Victoria 2008 LX
Ford Crown Victoria 2008 Police Interceptor
Ford Crown Victoria 2009 Fleet
Ford Crown Victoria 2009 LWB
Ford Crown Victoria 2009 LX
Ford Crown Victoria 2009 Police Interceptor
Ford Crown Victoria 2010 Base
Ford Crown Victoria 2010 LX
Ford Crown Victoria 2010 Police Interceptor
Ford Crown Victoria 2011 Base
Ford Crown Victoria 2011 LX
Ford Crown Victoria 2011 Police Interceptor
Ford Escape 2005 Hybrid
Ford Focus 2003 LX
Ford Focus 2003 SE
Ford Focus 2003 ZTS
Ford Focus 2003 ZTW
Ford Focus 2003 ZX3
Ford Focus 2003 ZX5
Ford Focus 2004 LX
Ford Focus 2004 SE
Ford Focus 2004 ZTS
Ford Focus 2004 ZTW
Ford Focus 2004 ZX3
Ford Focus 2004 ZX5
Ford Focus 2005 ZX3
Ford Focus 2005 ZX4
Ford Focus 2005 ZX4 ST
Ford Focus 2005 ZX5
Ford Focus 2005 ZXW
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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