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NGK Laser Iridium Spark Plug
7901 IJR7A9
Item #: IJR7A-9
Manufacturer: NGK
42.9500
EACH
NGK 7901 IJR7A9 Laser Iridium Spark Plug
NGK single iridium 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 | 19mm (3/4") |
| Hex Size | (18mm) |
| Terminal Type | Threaded Sud |
| Overall Height | ISO |
| Gap | .035" (0.9mm) |
| Center Electrode | |
| Material | Iridium |
| Type | Fine Wire |
| Size | 1.0mm |
| Projection | Projected |
| Ground Electrode | |
| Material | Platinum |
| Type | Standard |
| Shape | |
| Quantity | 1 |
| Specifications | |
| Resistor | Yes |
| Resistor Value | 5k Ohm |
| Heat Range | 7 |
| Torque Specs | Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. |
| Longevity | 100k Miles |