Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consis...

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Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent metal plating has superior anti-corrosion and anti-seizing properties.

  • Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
  • Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed
  • Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
  • NGK is the world's largest supplier of OEM spark plugs
  • This Listing is for One 4218 CR8EIX Spark Plug
  • Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
  • Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed
  • Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
  • NGK is the world's largest supplier of OEM spark plugs
  • This Listing is for One 4218 CR8EIX Spark Plug

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