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NGK Iridium IX Spark Plug
91187 LKAR6AIX-11
Item #: LKAR6AIX-11
Manufacturer: NGK
22.9500
EACH
NGK 91187 LKAR6AIX-11 Iridium IX Spark Plug
NGK IX Iridium Series 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 | 26.5mm (1.04") |
| Hex Size | 9/16" (14mm) |
| Terminal Type | Solid |
| Overall Height | |
| Gap | .043" (1.1mm) |
| Center Electrode | |
| Material | Iridium |
| Type | Fine Wire |
| Size | 0.6mm |
| Projection | Extended Projected |
| Ground Electrode | |
| Material | Nickel |
| Type | Standard |
| Shape | Taper Cut |
| Quantity | 1 |
| Specifications | |
| Resistor | Yes |
| Resistor Value | 5k Ohm |
| Heat Range | 6 |
| Torque Specs | Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft. |
| Longevity | 50k Miles |