Product Overview
NGK Laser Iridium Spark Plug IZFR5J

Maximize your outboard's performance and reliability with the NGK Laser Iridium Spark Plug IZFR5J. This premium spark plug, engineered with cutting-edge iridium and platinum technology, delivers superior ignition performance, improved fuel efficiency, and extended service life, ensuring smooth and powerful operation for your marine engine. Experience quicker starts, smoother idling, and enhanced throttle response, giving you the confidence to navigate any waters.
Key Features
- **Laser Iridium Center Electrode:** Provides extreme durability and a consistently stable spark, crucial for optimal combustion and engine performance.
- **Platinum Ground Electrode:** Enhances ignitability and longevity, contributing to a longer-lasting and more reliable spark plug.
- **Extended Projection:** Promotes better flame propagation within the combustion chamber, resulting in improved fuel efficiency and power output.
- **Fine Wire Design (1.0mm):** Focuses the spark for improved ignitability and enhanced combustion efficiency.
- **5k Ohm Resistor:** Suppresses radio frequency interference (RFI) for cleaner electronic communication within your boat's systems.
- **Triple Seals:** Prevent leakage and ensure a tight, secure fit, safeguarding against potential damage and maintaining consistent performance.
- **Corrugated Ribs:** Prevent flashover, ensuring reliable spark delivery under all operating conditions.
- **Superior Heat Transfer:** The pure alumina silicate ceramic insulator and copper core effectively manage heat, leading to a longer plug life.
What's in the Box
- 1 x NGK Laser Iridium Spark Plug IZFR5J
Specifications
The Captain's Take
After years of battling rough seas and demanding conditions, I've learned the importance of reliable equipment. The NGK IZFR5J spark plugs are my go-to choice. They deliver consistent performance, quick starts, and better fuel economy, allowing me to focus on navigation and enjoying the open water. I highly recommend these plugs to any captain looking for a dependable and high-performing spark plug for their outboard.