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NGK TR8 IX Spark Plugs (Set of 8)

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Product Description


The Spark Plug 
Serious Enthusiasts Rely On

Designed specifically for the performance enthusiast.  Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
  • Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance.

Excellent spark plug for High Boost applications with E-85 and Race Gas

Free Shipping via USPS to all 50 States.  International Orders please email or call for shipping.

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Product Reviews

  1. Great plug for high HP, high boast application. Awesome price 5 Star Review

    Posted by on 5th Dec 2014

    I've been an NGK plug user for some time, very good product at a reasonable price. The TR series plugs are great for my 1200 HP application. Anyone running a KB 4.2 or Whipple 4.0 or above should really use these plugs. In addition to working great, they caused my golf score to drop by three shots.

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