NGK Iridium IX Spark Plug SET of 4

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The NGK LTR7IX-11 are the spark plug we recommend in our Spark Plug Tech blog post which we recommend reading.

NGK's IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast.

  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Today's High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage


  • 2015-2016 Ford Ecoboost Mustang (2.3L EcoBoost)
  • 2016-2017 Ford Focus RS (2.3L EcoBoost)
  • 2012-2017 Ford Focus ST (2.0L EcoBoost)
  • 2013-2016 Ford Fiesta ST (1.6L EcoBoost)
  • 2013-2016 Ford Fusion Ecoboost (2.0L EcoBoost)
  • 2007-2013 Mazdaspeed 3 (2.3L DISI)
  • 2006-2007 Mazdaspeed 6 (2.3L DISI)

Recommended gap: 0.026"




**If order needs to be shipped outside of the USA, additional shipping charges will be calculated and added after the purchase**






  • Model: NGK_LTR7IX-11_6510
  • Shipping Weight: 1.5kgs
  • 65 Units in Stock

This product was added to our catalog on Monday 16 January, 2017.