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NGK
NGK Iridium IX Spark Plug 3691 TR8IX
NGK Iridium IX Spark Plug 3691 TR8IX
Regular price
$14.29 USD
Regular price
Sale price
$14.29 USD
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per
SKU:NGKTR8IX
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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
- MPN: TR8IX
| Warranty | 1 Year |
| Torque Specs | Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. |
| Brand | NGK |
| Heat Range | 8 |
| Longevity | 50k Miles |
| Resistor | Yes |
Shell
| Thread Size | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Tapered |
| Resistor Value | 5K Ohm |
| Reach | 18mm (.709") |
| Hex Size | 5/8" (16mm) |
| Terminal Type | Solid |
| Overall Height | ISO |
| Gap | .039" (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 |
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