The NGK Iridium IX LFR6AIX-11 (6619) Spark Plug is a high-performance plug designed for today’s advanced engines. Built with a 0.6mm laser-welded fine Iridium tip, this spark plug ensures high durability and a consistently stable spark for optimized engine performance.
Key Features
- Iridium tip for durability
- Trivalent metal plating
- Superior anti-corrosion and anti-seizing properties
Features and Specs for Each Model
- 0.6mm laser-welded fine Iridium tip
- Thread size: 14mm
- Thread Pitch: 1.25mm
- Hex size: 5/8″ (16mm)
Pros
- Long-lasting
- Efficient fuel consumption
- Reduced misfires
Cons
- Higher cost than other types
Amazon Customer Review
★★★★★ “I noticed a significant improvement in fuel efficiency and throttle response after switching to these plugs. Highly recommended!” – John D.
Conclusion
The NGK Iridium IX LFR6AIX-11 (6619) Spark Plug offers exceptional longevity and efficient performance. Though it is on the higher end in terms of cost, the benefits it provides justify the investment.
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