These 1-step colder Spark Plug are recommended by our tuner Tuning By James for his EcoBoost tunes. We recommend these be gapped .026 - .028. They ship in a box of 4.


NGK 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



Fits: 17-20 Fusion Sport 2.7 V6

         17-20 MKZ 3.0 V6

         15-24 Edge Sport/ST 2.7 V6

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NGK 6510 LTR7IX-11 Iridium IX Spark Plugs

  • Product Code: 6510
  • Reward Points: 40
  • Availability: In Stock
  • $39.99

  • Price in reward points: 800

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Tags: NGK, 6510, LTR7IX-11, Iridium, IX, Spark, Plugs, EcoBoost, Ford, Fusion, MKZ, Edge, MKX, Nautilus ngk, ltr7ix-11, iridium, spark, plugs, engine