Description
Ngk Spark Plugs - 21030032 - Spark Plug - R0409B-8
Features
- The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti-corrosion qualities
Specs
| Center Electrode Projection | Non-Projected |
| Center Electrode Type | Fine Wire |
| Spark Gap Imperial | 0.028'' |
| Electrode Tip Material | Iridium |
| Model | R0409B-8 |
| Ground Electrode Shape | Taper Cut |
| Hex Size Metric | 16 mm |
| Riding Style | Off-Road |
| Spark Gap Metric | 0.7 mm |
| Terminal Configuration | Threaded Stud |
| Thread Reach Metric | 19.1 mm |
| Heat Range | 8 |
| Units | Each |
| Product Name | Spark Plug |
| Style | Iridium Racing |
| Electrical Resistance | 5k Ohms |
| Ground Electrode Configuration | Single |
| Type | Resistor |
Fitment
| 2007-2019 | Honda | CRF250X |
| 2005-2009 | Honda | CRF250R |
