🔧 Key Features
- Ultra-Fine 0.4mm Iridium Center Electrode – Stronger, more precise spark
- Improved Ignition Efficiency – Faster starts and smoother acceleration
- High Heat Resistance – Handles demanding driving conditions
- Reduced Voltage Requirement – Easier ignition under load
- Extended Service Life – Outlasts standard copper and platinum plugs
🚗 Compatibility
Application Specific (Common Uses Include):
- Honda / Acura performance engines
- Toyota / Lexus / Nissan applications
- Many 4-cylinder and V6 engines requiring IK20 heat range
(Always confirm fitment—because guessing spark plugs is how problems start.)
Genuine 6 pack DENSO Iridium Power 5304 Spark Plug
💡 Why Choose DENSO Iridium Power?
Compared to standard spark plugs, IK20 delivers:
- Better throttle response
- More efficient combustion
- Improved fuel economy
- Reduced misfires and hesitation
Perfect for:
- Daily drivers
- Performance builds
- Engines running higher compression or light boost
⚙️ Installation Notes
- Verify gap before installation
- Torque to manufacturer specifications
- Replace all plugs as a complete set
- Use anti-seize sparingly if required
6 pack DENSO Iridium Power 5304 Spark Plug
Genuine DENSO Parts
Includes original packaging and hardware
Direct replacement auto parts
🏁 Bottom Line
The DENSO IK20 Iridium Power plugs are a simple but effective upgrade for anyone looking to improve ignition performance without overcomplicating things.
Stronger spark. Better response. Reliable performance.
Because your engine should run right—every time you turn the key.






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