NGK
NGK Iridium IX Spark Plug Box of 4 (CR8EIX) - 4218
- SKU:
- NGK4218
- UPC:
- 87295142189
- MPN:
- 4218
- Availability:
- Regularly stocked product
Description
How often should spark plugs be replaced?
Consult your vehicle's owner's manual for specific replacement intervals to ensure optimal spark plug performance.
Are NGK Iridium IX spark plugs easy to install?
Professional installation is strongly recommended for these high-performance spark plugs to guarantee proper seating and function.
NGK Iridium IX spark plugs are engineered for demanding driving, delivering outstanding acceleration and high fuel efficiency with a top usage score of 9. Featuring an iridium fine wire center electrode six times harder than platinum, these spark plugs guarantee exceptional ignitability and durability. Experience razor-sharp throttle response and enhanced engine performance with absolute confidence.
Key Features
- Iridium IX provides outstanding acceleration, high fuel efficiency and durability
- extreme ignitability and exceptional anti-fouling
- Tapered cut ground electrode provides improved starting, idling and throttle response
- Iridium fine wire center electrode's durability is six times harder than platinum
- Iridium alloy's extremely high melting point is perfect for today's engines
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Why Choose the NGK Iridium IX
Delivers exhilarating acceleration and maximizes your fuel economy for longer drives.
Achieves instant engine starts and smooth idling for a refined driving experience.
Provides razor-sharp throttle response for confident and dynamic driving.
Ensures reliable ignition and prevents fouling for consistent engine performance.
Who Is This For?
Street Performance — 9/10
Outstanding acceleration, throttle response, and fuel efficiency.
Track / Autocross — 9/10
Exceptional ignitability and durability for demanding conditions.
Racing Competition — 9/10
High melting point iridium alloy perfect for high-performance engines.
Engine Performance — 9/10
Improves starting, idling, and throttle response.
Fuel Efficiency — 8/10
Technical data explicitly states high fuel efficiency.
Daily Driving Comfort — 8/10
Improved starting, idling, and throttle response enhance comfort.
Frequently Asked Questions
Will the NGK Iridium IX spark plugs fit my vehicle?
Confirming spark plug fitment with your specific vehicle is essential for optimal performance. Always verify compatibility with a qualified technician or through a detailed fitment guide. This ensures precise integration for your engine's requirements.
How difficult is the installation of NGK Iridium IX spark plugs?
Professional installation is recommended for NGK Iridium IX spark plugs. This ensures proper torque and seating, crucial for achieving the full performance benefits. A qualified technician guarantees correct application for your vehicle's engine.
What performance improvements can I expect from NGK Iridium IX spark plugs over my stock plugs?
NGK Iridium IX spark plugs deliver outstanding acceleration, earning a 'Street Performance' score of 9. This enhancement provides noticeable improvements in throttle response and overall engine responsiveness. Experience a more dynamic and engaging drive.
What makes the NGK Iridium IX ideal for high-performance engine applications?
The iridium alloy's extremely high melting point is perfect for today's high-performance engines, making NGK Iridium IX ideal for 'Racing Competition' with a score of 9. This advanced material withstands extreme temperatures for consistent and reliable ignition under demanding conditions.
Additional Resources
Browse More: Shop All Spark Plugs — Ignition
Additional Information
Clearance Item: |
N |
MPN: |
4218 |
Proposition 65: |
N |
Case Lot Quantity: |
4 |
Category: |
Ignition>Spark Plugs |