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.