- NGK's Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life
- Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions
- 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
Honda -- CRF250X -- (2006, 2009, 2005, 2008, 2007, 2004); Honda -- CRF250R -- (2005, 2006, 2004, 2007)