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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.
Product Details
| Center Electrode Design: | Fine Wire |
| Center Electrode Tip Material: | Iridium |
| Drive Size: | 5/8 in |
| Gap - Factory Preset: | .6 mm = 0.031 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: | 9 |
| Package Quantity: | 1 |
| Reach (in): | 19mm = 0.75 in |
| Resistor: | Yes |
| Seat Style: | Gasket |
| Short Style: | No |
| Thread Size: | 14 mm |