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NGK

NGK Spark Plug IMR9D-9H (6544) – Single

NGK Spark Plug IMR9D-9H (6544) – Single

$59.46 NZD
$59.46 NZD
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NGK single iridium plugs are designed specifically for performance enthusiasts. The fine wire centre electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, making it perfect for today’s high-tech, high-performance engines.

Features:

  • 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.

Specifications:

  • Th read Diameter: 10mm
  • Thread Pitch: 1.0mm
  • Seat Type: Gasket
  • Reach: 19mm (3/4")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Solid
  • Overall Height: ISO
  • Gap: 0.035" (0.9mm)

Center Electrode

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

Ground Electrode

  • Material: Platinum
  • Type: Standard
  • Shape: Taper Cut

Additional Details

  • Quantity: 1
  • Resistor: Yes
  • Resistor Value: 5k Ohm
  • Heat Range: 9
  • Threaded Reach: 12.7mm

Torque Specifications

  • Cast Iron: 7.2–10.8 lb. ft.
  • Aluminium: 7.2–8.7 lb. ft.
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