NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. Fine wire Iridium center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today’s high-performance engines. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. Special taper-cut ground electrode shape to allow for more area for flame expansion. Note: Quantity 1 = 1 spark Plug.Â
| CENTER ELECTRODE DESIGN: | FINE WIRE |
| CENTER ELECTRODE TIP MATERIAL: | IRIDIUM |
| DRIVE SIZE: | 5/8 IN |
| GAP – FACTORY PRESET: | 1.1 MM = 0.043 IN |
| GROUND ELECTRODE CONFIGURATION: | SINGLE |
| GROUND ELECTRODE DESIGN: | TAPERED |
| GROUND ELECTRODE TIP MATERIAL: | NICKEL ALLOY |
| INSULATOR MATERIAL: | CERAMIC |
| INSULATOR TYPE: | PROJECTED |
| MANUFACTURER HEAT RANGE NUMBER: | 7 |
| PACKAGE QUANTITY: | 1 |
| REACH (IN): | 25MM = 1.00 IN |
| RESISTOR: | YES |
| SEAT STYLE: | GASKET |
| SHORT STYLE: | NO |
| THREAD SIZE: | 14 MM |










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