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NGK IX Iridium Spark Plug Box of 4 (TR6IX)

Part # 3689SKU NGK3689

Set your vehicle above for a fit verdict. 19 vehicles listed below.

Specifications
BrandNGK
Part typeSpark Plug
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Fine iridium tip ensures durable and consistent spark

Description

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Fits these vehicles 19

YearMakeModel
2000Aston MartinDB7
2009 - 2015CadillacCTS
2012 - 2015ChevroletCamaro
2006 - 2013ChevroletCorvette
1996 - 2011FordCrown Victoria
1999 - 2003FordF-150
2004FordF-150 Heritage
2005 - 2006FordGT
2007 - 2014FordMustang
1999 - 2004FordRanger
1999 - 2006FordTaurus
2006 - 2011LincolnTown Car
1999 - 2001MazdaB3000
2006 - 2011MercuryGrand Marquis
2001MercurySable
2003 - 2005MercurySable
1989PontiacFirebird
1989 - 1990PontiacGrand Prix
1968 - 1971Rover2000