NGK Spark Plug IMR9D-9H (6544) – Single
NGKIMR9D9H
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- Inventory on the way
- Most products are not stocked instore. Please contact us to confirm instore availability.
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.