NGK BUZHW-2 Surface Gap Spark Plug, Champion QL78V Replacement, Marine Outboard, 14mm, Heat Range 12

The NGK BUZHW-2 Surface Gap Spark Plug offers reliable high-energy ignition for marine outboards and high-compression engines. Designed as a direct replacement for the Champion QL78V, this plug is ideal for boat owners, mechanics, and powersports enthusiasts who demand consistent performance in challenging conditions.

With advanced materials and engineering, the BUZHW-2 ensures superior heat transfer, corrosion resistance, and long service life. Its pre-gapped design allows for quick installation, making it a practical choice for both routine maintenance and performance upgrades.

• Surface gap design for high-compression engines requiring strong ignition
• Tungsten center electrode and copper core for durability and efficient conductivity
• Pre-gapped at 0.071" for easy, accurate installation
• 14mm thread, 12.7mm reach, 21mm hex size
• Heat range 12 for optimal temperature control
• Triple seals and trivalent plating for superior corrosion resistance
• Inductive 35-ohm resistor to reduce electrical interference
• Engineered to prevent fouling and pre-ignition
• Compatible with marine outboards and powersports engines
• Direct replacement for Champion QL78V (NGK 2173)

Upgrade your engine’s ignition system with the NGK BUZHW-2 spark plug for dependable starts and lasting performance in marine and high-compression applications.