NGK's IX Iridium Series plugs were designed specifically for the performance enthusiast.
- Fine wire centre 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 | Specifications | Centre Electrode | Ground Electrode |
---|---|---|---|
Thread size: 14mm | Heat range: 10 | Material: Iridium | Material: Nickel |
Thread pitch: 1.25mm | Longevity: 50k miles | Type: Fine wire | Type: Standard |
Seat type: Gasket | Size: 0.6mm | Quantity: 1 | |
Resistor: Yes |
Torque specs |
Projection: Non-projected | Shape: Taper cut |
Resistor value: 5K Ohm |
Cast iron: 18-25.3 lb. ft. |
||
Reach: 19mm (3/4") | Aluminium: 18-21.6 lb. ft. | ||
Hex size: 21mm (13/16") | |||
Terminal type: Removable Nut | |||
Overall height: ISO | |||
Gap: 0.8mm (0.031") |