NGK DR8ES resistor spark plug. The workhorse, at the heart of smooth-running engines around the world.

• 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
• Thread Diameter - 12mm
• Thread Reach – 19mm

NGK Part Number: 5423

Honda OEM part numbers: 98069-58719, 98069-58716

The DR8ES can also be used on many other bikes with the same plug thread if you want a resistor plug. Also fits other motorcycle brands.