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NGK Iridium Stock Heat Spark Plug Box of 4 (LZTR5AIX-13)

Unlock your engine's full potential with the NGK Iridium Stock Heat Spark Plug. Designed for performance enthusiasts, these spark plugs provide outstanding acceleration, high fuel efficiency, and durability.

Featuring a tapered cut ground electrode, these spark plugs offer improved starting, idling, and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum, ensuring a long-lasting spark.

  • Recommended for modified or high-performance applications
  • Upgrade to OE nickel alloy spark plugs
  • Extreme ignitability and exceptional anti-fouling

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

Make Model Year Type
Chrysler 300 2005 Base
Chrysler 300 2005 C SRT8
Chrysler 300 2006 Base
Chrysler 300 2006 C SRT8
Chrysler 300 2007 Base
Chrysler 300 2007 C SRT8
Chrysler 300 2008 C SRT8
Chrysler 300 2008 LX
Chrysler 300 2009 C SRT8
Chrysler 300 2009 LX
Chrysler 300 2010 C SRT8
Chrysler 300 2010 Touring
Chrysler Concorde 1998 LX
Chrysler Concorde 1999 LX
Chrysler Concorde 2000 LX
Chrysler Concorde 2001 LX
Chrysler Concorde 2002 LX
Chrysler Concorde 2003 LX
Chrysler Concorde 2004 LX
Chrysler Pacifica 2005 Base
Chrysler Pacifica 2006 Base
Chrysler Pacifica 2007 Base
Chrysler Pacifica 2008 LX
Chrysler PT Cruiser 2003 GT
Chrysler PT Cruiser 2004 GT
Chrysler PT Cruiser 2004 Limited
Chrysler PT Cruiser 2004 Touring
Chrysler PT Cruiser 2005 Dream Cruiser
Chrysler PT Cruiser 2005 GT
Chrysler PT Cruiser 2005 Limited
Chrysler PT Cruiser 2005 Street Cruiser
Chrysler PT Cruiser 2005 Touring
Chrysler PT Cruiser 2006 GT
Chrysler PT Cruiser 2006 Limited
Chrysler PT Cruiser 2006 Touring
Chrysler PT Cruiser 2007 GT
Chrysler PT Cruiser 2007 Limited
Chrysler PT Cruiser 2007 Touring
Chrysler PT Cruiser 2008 Base
Chrysler PT Cruiser 2008 Limited
Chrysler PT Cruiser 2008 Touring
Chrysler PT Cruiser 2009 Limited
Chrysler Sebring 2001 Limited
Chrysler Sebring 2001 LX
Chrysler Sebring 2001 LXi
Chrysler Sebring 2002 GTC
Chrysler Sebring 2002 Limited
Chrysler Sebring 2002 LX
Chrysler Sebring 2002 LXi
Chrysler Sebring 2003 GTC
Chrysler Sebring 2003 Limited
Chrysler Sebring 2003 LX
Chrysler Sebring 2003 LXi
Chrysler Sebring 2004 Base
Chrysler Sebring 2004 GTC
Chrysler Sebring 2004 Limited
Chrysler Sebring 2004 Touring
Chrysler Sebring 2005 GTC
Chrysler Sebring 2005 Limited
Chrysler Sebring 2005 Touring
Chrysler Sebring 2005 TSi
Chrysler Sebring 2006 GTC
Chrysler Sebring 2006 Limited
Chrysler Sebring 2006 Touring
Chrysler Sebring 2006 TSi
Chrysler Sebring 2007 Base
Chrysler Sebring 2007 Touring
Chrysler Sebring 2008 Touring
Chrysler Sebring 2009 LX
Chrysler Sebring 2009 Touring
Chrysler Sebring 2010 Limited
Chrysler Sebring 2010 LX
Chrysler Sebring 2010 Touring
Chrysler Town & Country 2001 EX
Chrysler Town & Country 2001 Limited
Chrysler Town & Country 2001 LX
Chrysler Town & Country 2001 LXi
Chrysler Town & Country 2002 EL
Chrysler Town & Country 2002 EX
Chrysler Town & Country 2002 Limited
Chrysler Town & Country 2002 LX
Chrysler Town & Country 2002 LXi
Chrysler Town & Country 2003 Base
Chrysler Town & Country 2003 EL
Chrysler Town & Country 2003 EX
Chrysler Town & Country 2003 Limited
Chrysler Town & Country 2003 LX
Chrysler Town & Country 2003 LXi
Chrysler Town & Country 2004 Base
Chrysler Town & Country 2004 EX
Chrysler Town & Country 2004 Limited
Chrysler Town & Country 2004 LX
Chrysler Town & Country 2004 Touring
Chrysler Town & Country 2005 Base
Chrysler Town & Country 2005 Limited
Chrysler Town & Country 2005 LX
Chrysler Town & Country 2005 Touring
Chrysler Town & Country 2006 Base
Chrysler Town & Country 2006 Limited
Chrysler Town & Country 2006 LX
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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