- 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 -- CRF450R -- (2008, 2006, 2004, 2007, 2002, 2005, 2003); Honda -- TRX450ER -- (2009, 2007, 2008, 2006); Honda -- CRF450X -- (2006, 2008, 2009, 2007, 2005); Honda -- TRX450R Sportrax -- (2005, 2004); Honda -- TRX450R -- (2006, 2008, 2009, 2007); Honda -- RVT1000R RC51 -- (2006)