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NGK Iridium IX Spark Plug 3521 ER9EIX
NGK Iridium IX Spark Plug 3521 CR9EIX
NGK Iridium IX Spark Plug 3521 CR9EIX
NGK Iridium IX Spark Plug 3521 CR9EIX
NGK Iridium IX Spark Plug 3521 CR9EIX

NGK Iridium IX Spark Plug 3521 CR9EIX

NGKCR9EIX (2 in stock)

Regular price $7.99 Sale

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
  • MPN: CR9EIX

Specifications

Warranty 1 Year
Torque Specs Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
Brand NGK
Heat Range 9
Longevity 50k Miles
Resistor Yes


Shell

Thread Size 10mm
Thread Pitch 1.0mm
Seat Type Gasket
Resistor Value 5K Ohm
Reach 19mm (3/4")
Hex Size 5/8" (16mm)
Terminal Type Threaded Stud
Overall Height ISO
Gap .031" (0.8mm)


Center Electrode

Material Iridium
Type Fine Wire
Size 0.6mm
Projection Non-Projected


Ground Electrode

Material Nickel
Type Standard
Shape Taper Cut
Quantity 1