NGK 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.
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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
Part number: TR5IX
Shell | |
Thread Diameter | 14mm |
Thread Pitch | 1.25mm |
Seat TypeGasket | Tapered |
Reach | 18mm (.709-Inch) |
Hex Size | 5/8-Inch (16mm) |
Terminal Type | Solid |
Overall Height | ISO |
Gap | .039-Inch (1.0mm) |
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 | 5 |
Torque Specs | Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. |
Part Information | |
Longevity | 50k Miles |
NGK Iridium IX Spark Plug 7397 - TR5IX
$33.99
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