🔧 Key Features
- Iridium Fine Wire Center Electrode – Superior spark efficiency and durability
- Improved Ignitability – Faster starts and more consistent combustion
- High Melting Point Design – Handles heat in performance and boosted applications
- Pre-Gapped (Application Specific) – Ready to install (but always double-check)
- Long Service Life – Outlasts standard copper and platinum plugs
🚗 Compatibility
Universal Fit (Application Dependent)
- Commonly used across various V6 and V8 applications
- Compatible with many Honda, Ford, GM, Toyota, and performance builds
(Always verify heat range and fitment—because guessing spark plugs is how you create problems.)
Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity. NGK offers the Quality, Reliability and Durability you’d expect from an OEM manufacturer. NGK is the world’s largest supplier of OEM spark plugs. It is recommended to research applications on NGK s website prior to purchase to make sure this OEM part fits your vehicle, including engine, drivetrain and quantity needed.
💡 Why Upgrade to Iridium Plugs?
Your stock plugs are fine… until:
- They wear out
- You add performance mods
- You expect consistent ignition
Upgrading to NGK Iridium IX gives you:
- Stronger, more reliable spark
- Improved throttle response
- Better fuel efficiency
- Smoother idle and acceleration
⚙️ Installation Notes – NGK TR55IX Iridium Spark Plugs 7164
- Verify correct gap before installation
- Use dielectric grease and proper torque specs
- Replace as a full set for best results
🏁 Bottom Line
If you want reliable ignition, smoother performance, and fewer headaches, the NGK TR55IX Iridium plugs are one of the easiest upgrades you can make.
Cheap plugs cause expensive problems. These don’t.
Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
Offering the Quality, Reliability and Durability You’d Expect from an OEM Manufacturer
NGK is the world’s largest supplier of OEM spark plugs
Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
This Listing is for 8 Spark Plugs






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