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NGK BKR7EIX (2667) - Iridium IX Spark Plug / Sparkplug - Taper Cut Ground Electrode

NGK BKR7EIX (2667) - Iridium IX Spark Plug / Sparkplug - Taper Cut Ground Electrode


NGK Sparkplug Iridium IX Spark - Single



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NGK BKR7EIX (2667) - Iridium IX Spark Plug / Sparkplug - Taper Cut Ground Electrode

General Details:

Spanner Size16 mm
Thread SizeM14 x 1,25
Thread Length [mm]19,0
Spark PlugIridium Middle Electrode
Spark Plug1 - Earthed Electrode
Spark Pluginterference Suppression 5 kOhm
Spark Plugwith gasket seat
Spark Position [mm]3,5
Spark Plug HeadFixed SAE connector

Additional Images:

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

NGK is the brand leader in the UK spark plug market and are the world's biggest supplier to many major car manufacturers. Each and every one of their products are designed to meet the most rigorous standards and are the professionals' choice because of their quality and technical excellence. Their plugs can be found in use by teams in F1, WRC and MotoGP. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.

The NGK Iridium IX Spark Plugs utilise a 0.6mm laser welded fine iridium tip which ensures high durability and a consistently stable spark along with a tapered ground electrode which minimizes electrical quenching effect. The longer insulator nose prevents fouling, the corrugated ribs on the insulator prevent flashover and a triple gasket seal eliminates combustion gas leakage.

To find the correct spark plugs for your vehicle please use our online lookup or contact us for more help.

Spark Plug Health Check

Use Spark Plugs To Check Your Engine Health
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Heat Ranges Explained

Learn what a spark plugs heat range means, and how it can effect your engine
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Heat Cross Reference

Use our spark plug heat range cross reference table
Cross Reference Heat Range


  • 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

Technical Information:

  • Type: Resistor type
  • Thread Size: 14mm (9/16")
  • Hex Size: 16mm (5/8")
  • Reach: 19mm (3/4")
  • Gap: 0.8mm (0.03")
  • Thread Pitch: 1.25mm (1/16")
  • Height Standard: ISO
Centre Electrode:
  • Type: Fine Wire
  • Material: Iridium
  • Size: 0.6mm (0.02")
  • Projection: Projected
Ground Electrode:
  • Type: Taper Cut
  • Material: Nickel
  • Electrode Count: 1

Cross Reference:

  • DENSO: 5310, 5348, IK22, IK22G, K22PR-ZU

PDF Downloads:

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We say...

"Designed for the performance enthusiast."