Laser Iridium Spark Plug IZFR6J
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NGK SPARK PLUGSLaser Iridium Spark Plug IZFR6J


In stock online.
Model # 8639262 | Mfg # 4462UPC # 87295144626


Laser Iridium Spark Plug IZFR6J

Name Value
Type Laser Iridium

Product Overview

NGK Spark Plugs are designed for improved ignitability and throttle response.

The advanced design of Iridium IX Spark Plugs features a 0.6 mm Iridium center electrode tip for superior ignitability without sacrificing durability. They also operate over a wide heat range which suits them to high-performance environments.

Key Features

  • Fine wire center electrode provides a consistently stable spark and high durability
  • Iridium alloy offers an extremely high melting point for 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


  • Electrode Material: Iridium and platinum
  • Core Material: Copper

Plug Selection

To ensure optimum performance please consult your owner's manual to determine the correct spark plug for your engine.


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