- 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 -- RVT1000R RC51 -- (2005, 2003, 2002, 2004); Honda -- CRF450 -- (2007, 2014, 2016, 2017, 2011, 2004, 2018, 2002, 2010, 2013, 2012, 2015, 2005, 2006, 2009, 2003, 2008)