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NGK Laser Iridium Spark Plug
7556 IMR9E-9HES
Item #: IMR9E-9HES
Manufacturer: NGK
38.9500
EACH
NGK 7556 IMR9E-9HES Laser Iridium Spark Plug
NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
- 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
- 12.7mm Threaded Reach
| Shell | |
| Thread Diameter | 10mm |
| Thread Pitch | 1.0mm |
| Seat Type | Gasket |
| Reach | 19mm (3/4") |
| Hex Size | 5/8" (16mm) |
| Terminal Type | Threaded Stud |
| Overall Height | ISO |
| Gap | .035" (0.9mm) |
| Center Electrode | |
| Material | Iridium |
| Type | Fine Wire |
| Size | 0.6mm |
| Projection | Projected |
| Ground Electrode | |
| Material | Platinum |
| Type | Square |
| Shape | |
| Quantity | 1 |
| Specifications | |
| Resistor | Yes |
| Resistor Value | 5k Ohm |
| Heat Range | 9 |
| Torque Specs | Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft. |
| Longevity | 100k Miles |