NGK Iridium IX Performance Spark Plugs - Heat Range 8 (03-04 Cobra; 07-14 GT500)

NGK Iridium IX Performance Spark Plugs - Heat Range 8 (03-04 Cobra; 07-14 GT500)
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OUR PRICE$89.99(set of 8)
NGK & NTK Mustang Parts
Item # 64072
Market Price $99.99You Save 10% ($10.00)
Ships the same business day

Product Features

  • Perfect for increased boost
  • Iridium tip for a constant stable spark
  • Improves fuel economy and lower emissions
  • Heat Range: 8
  • NGK part# TR8IX; NGK stock# 3691
  • 14mm thread pattern
  • Spark plug reach 0.708"
  • Fits 2003-2004 SVT Cobra and 2007-2014 Shelby GT500
  • Sold as a set of 8
High Performance. Keeping your Mustangs high performance engine running smoothly and efficiently is important, so routinely replace your old weak plugs with a new set of NGK Iridium IX Performance Spark Plugs for constant reliable spark power. The Iridium IX plugs from NGK will provide improved throttle response, fuel efficiency, lower emissions, and will reduce fouling.

Superior Materials. NGK Iridium IX Performance Spark Plugs feature a copper core electrode for its superior conductivity and an iridium tip (which is 6X harder than platinum) for it's extremely high melting point, perfect for keeping your Mustangs high-performance engine running at it's peak. And as an added bonus the Iridium IX plug features Trivalent Metal Plating for it's superior anti-corrosion and anti-seizing properties.

Application.
This set of eight (8) Two Heat Range Cooler NGK Iridium IX Performance Spark Plugs are specifically designed for the 2003-2004 SVT Cobra and 2007-2014 Shelby GT500 Mustangs that are running more boost.

Installation Time:

(approx) 2 Hours

Difficulty Level:

Advanced mechanical skills required.

What's in the box?

  • (8) Spark Plugs
    Hardware included:
  • None Required

What's in the box?

  • (8) Spark Plugs
    Hardware included:
  • None Required
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Fitment:
  • Cobra 03, 04
  • GT500 07, 08, 09, 10, 11, 12, 13, 14

About NGK

NGK & NTK Mustang Parts
When it comes to spark plugs, NGK is the World Leader. Makers of spark plugs for virtually every automotive, motorcycle, marine and small engine application, NGK dominates. One of the benefits of this approach is the ability to work closely with manufacturers in developing products tailored specifically to their needs. The most tangible manifestations of the success for NGK have been the construction of fourteen factories in eight nations throughout the world, as well as NGK Spark Plugs being specified as original equipment by the majority of the world's auto manufacturers.

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