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.
