NGK 4339 Iridium Spark Plug - High-Performance Motorcycle Engine Ignition Solution

Upgrade your motorcycle's ignition system with NGK's premium 4339 spark plug, engineered to deliver consistent performance and extended engine life. This iridium-tipped spark plug ensures optimal combustion for powerful, fuel-efficient operation on two- and four-stroke engines.

Key Features

• Iridium Tip Technology: Provides superior spark generation for enhanced combustion efficiency and cold-start reliability.
• Standard Thread Size: 14mm x 1.25mm reach for universal compatibility with most motorcycle engines.
• Optimized Heat Range: Balanced heat dissipation prevents overheating while maintaining optimal operating temperatures.
• Durable Construction: High-quality alloy housing resists corrosion and ensures long-lasting performance in harsh conditions.

Why Choose This Product

Whether you're riding a sport bike, cruiser, or off-road vehicle, the NGK 4339 spark plug offers unmatched ignition reliability. Its iridium electrode delivers stronger sparks for improved fuel economy and horsepower, while the robust design withstands high RPMs and extreme temperatures. This essential component ensures your engine runs smoothly, reduces misfiring, and maintains peak performance for years.