10 Best Iridium Spark Plugs 2024 in the US

1.

Extreme ignitability: Improved throttle response for performance enthusiasts

2.

Fine Iridium tip: 0.6mm laser welded for high durability and stable spark

3.

Tapered ground electrode: Minimizes electrical quenching effect

4.

Triple gasket seal: Eliminates combustion gas leakage

5.

Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing

1.

Reduces emissions and misfires: Boosts engine performance and reliability.

2.

Durable shell: Protects spark plug for long-lasting use.

3.

Advanced electrodes: Promotes efficient combustion and spark focus.

4.

Minimizes spark gap growth: Ensures greater ignitability and efficiency.

5.

NGK NTK expertise: World leader in spark plug and sensor design.

1.

Wide Heat Range: Operates over a much wider heat range than ordinary plugs.

2.

Carbon Buildup Resistance: Resists carbon buildup and pre-ignition.

3.

Triple Gasket Sealing: Patented sealing process prevents combustion gas leakage.

1.

Extreme performance upgrade: OEM spark plugs enhance engine performance.

2.

Long lifespan: Lasts between 40,000 to 50,000 miles.

3.

Iridium center electrode: Fine-wire Iridium for maximum engine and torque.

4.

Nickel-alloy terrain electrodes: Ensures durability and efficiency.

5.

Precision laser construction: Enhances accuracy and performance.

1.

Extreme Ignitability: Offers improved throttle response and anti-fouling.

2.

Fine Iridium Tip: 0.6mm laser welded tip ensures durability and stable spark.

3.

Tapered Ground Electrode: Minimizes electrical quenching effect for better performance.

4.

Triple Gasket Seal: Eliminates combustion gas leakage for reliability.

5.

Trivalent Metal Plating: Provides anti-corrosion and anti-seizing properties.

1.

Genuine NGK Parts: Authentic NGK spark plugs for reliable performance.

2.

Iridium IX Technology: Enhanced durability and performance with iridium.

3.

Original Packaging: Comes with original packaging and necessary hardware.

4.

Direct Replacement: Designed as a direct replacement for easy installation.

5.

Amazon Confirmed Fit: Ensure compatibility with your vehicle using Amazon's tool.

1.

Durable Precious Metals: Built with durable precious metals for improved performance.

2.

Diverse Spark Plug Types: Offers a variety of spark plug types for modern engines.

3.

Racing Proven Reliability: Powered more racing legends, ensuring reliable performance.

4.

OE-Quality Replacement: Seamless OE-quality replacement for major automotive brands.

5.

Iridium Spark Plug Design: Iridium design withstands high-pressure environments.

1.

Double Iridium: Iridium firing pin and ground electrode for higher performance and 4X longer life.

2.

360-degree Laser Welded: Ultra-fine wire iridium firing pin for better ignitability and reduced voltage requirements.

3.

Nickel-plated Rolled Threads: Provides superior resistance to corrosion and easy installation without anti-seize.

4.

Pre-gapped: Factory pre-gapped and ready to install, no gap adjustment needed.

5.

OE Fit and Function: Meets or exceeds manufacturer design requirements for modern gasoline engines.

1.

Durable Precious Metals: Built with durable precious metals for improved performance.

2.

Iridium Spark Plugs: Designed with iridium to withstand high-pressure environments.

3.

Enhanced Combustion: Fine-wire center electrode allows faster combustion.

4.

Racing Proven: Powered more racing legends, ensuring reliable performance.

5.

OE-Quality Replacement: Adheres to industry standards for better fit and longer life.