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
Shell
Thread Diameter : 12mm
Thread Pitch : 1.25mm
Seat Type : Gasket
Reach : 26.5mm (1.04")
Hex Size : 5/8" (16mm)
Terminal Type : Solid
Gap : .043" (1.1mm)
Center Electrode
Material :Iridium
Type : Fine Wire
Size : 0.6mm
Projection : Projected
Ground Electrode
Material : Nickel
Type : Standard
Shape :Taper Cut
Quantity :1
Specifications
Resistor :Yes
Resistor Value : 5k Ohm
Heat Range : 7
Features :Special Gasket
Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft
