NGK Iridium IX Spark Plug 7164 - TR55IX
The NGK TR55IX Iridium IX Spark Plug is designed for performance enthusiasts seeking the ultimate in ignition efficiency and engine power. Featuring a fine iridium-tipped center electrode and a platinum-tipped ground electrode, this spark plug delivers a superior spark that improves ignitability and combustion efficiency. The iridium alloy's high melting point ensures longevity and reliability, even under extreme conditions. The spark plug's design reduces electrode wear, which leads to better fuel economy, lower emissions, and increased power output. The TR55IX also includes advanced features such as a pure alumina silicate ceramic insulator for enhanced strength and heat transfer, and a copper core for optimal heat removal. With its precise engineering, the NGK Iridium IX Spark Plug TR55IX is a top choice for those looking to maximize engine performance and efficiency.
Part number: TR55IX
| Shell | |
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat TypeGasket | Tapered |
| Reach | 18mm (.709-Inch) |
| Hex Size | 5/8-Inch (16mm) |
| Terminal Type | Removable Nut |
| Overall Height | ISO |
| Gap | .059-Inch (1.5mm) |
| 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 |
