Iridium IX Spark Plug — 14 mm thread, 19.1 mm reach, 1.1 mm gap

NGK SPARK PLUGS Iridium IX Spark Plug — 14 mm thread, 19.1 mm reach, 1.1 mm gap – 84-85 Sportster

NGK SPARK PLUGS
BPR6EIX11
3903
High-performance Iridium IX spark plug delivers improved ignition, reduced voltage requirement, and enhanced anti-corrosion durability.
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€14.75
€23.84
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Experience the next step in spark plug evolution with Iridium IX — engineered for precise ignition, improved throttle response, and extended service life. 🔥

  • The iridium electrode is 25% smaller than a platinum electrode and one quarter the size of a conventional nickel electrode.
  • Ultra-small diameter center tip reduces voltage requirements and helps prolong ignition system life.
  • New metal shell plating enhances resistance to corrosion for greater durability.

Ideal for riders and technicians who demand consistent starts and reliable performance in varied conditions. ⚡

: BPR6EIX11
In Stock

Data sheet

Type
Resistor
Units
Each
Style
Iridium IX
Brand
NGK SPARK PLUGS
Thread Size
14 mm
Electrical Resistance
5k Ohms
Center Electrode Type
Necked Down
Electrode Tip Material
Iridium
Ground Electrode Shape
Grooved
Ground Electrode Configuration
Single
Heat Range
6
Terminal Configuration
Solid Terminal
Center Electrode Projection
Projected
Spark Gap
0.043"
1.1 mm
1.1 mm (0.043")
Hex Size
20.6 mm (13/16")
Thread Reach
19,1 mm (3/4")
Harley Family
Sportster

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Sportster 1984
Harley Davidson Sportster 1985