NGK

NGK Iridium IX Spark Plug Box of 4 (BR7EIX) - 6664

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SKU:
NGK6664
UPC:
87295166642
MPN:
6664
Availability:
Regularly stocked product
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MSRP: $90.60
$34.37
— You save $56.23
Current Stock: 1

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Description

What is the proper gap for NGK Iridium IX spark plugs?
NGK Iridium IX spark plugs are pre-gapped for most applications, but always confirm fitment for your specific vehicle's requirements.

How often should I replace NGK Iridium IX spark plugs?
NGK Iridium IX spark plugs offer exceptional durability, lasting significantly longer than platinum plugs for consistent engine performance.

NGK Iridium IX spark plugs deliver instant engine response and are best for enthusiasts seeking enhanced performance, with a usage score of 9 for Street Performance. Their iridium fine wire center electrode is six times more durable than platinum. Trust these spark plugs for superior ignition consistency and a powerful, reliable spark every time.

Key Features

  • 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
  • Outstanding acceleration, high fuel efficiency and durability
  • Fine iridium tip ensures durable and consistent spark

Why Choose the NGK Iridium IX

Delivers instant engine response for smoother starts, smoother idling, and sharper acceleration.

Achieves superior ignition consistency, ensuring reliable performance and a more powerful spark.

Provides exceptional durability, lasting longer to keep your engine running at its peak.

Transforms your driving experience with enhanced throttle control and improved fuel efficiency.

Who Is This For?

Daily Driving Comfort — 8/10
Improved starting, idling, and throttle response.

Street Performance — 9/10
Outstanding acceleration and throttle response.

Track / Autocross — 9/10
Outstanding acceleration and consistent spark.

Racing Competition — 9/10
Durable iridium tip ensures consistent spark.

Easy DIY Install — 10/10
Plug-and-play install type.

Engine Performance — 9/10
Improved starting, idling, and throttle response.

Fuel Efficiency — 8/10
High fuel efficiency claim.

Frequently Asked Questions

Will the NGK NGK Iridium IX spark plugs fit my vehicle?

Confirming fitment with your specific vehicle is essential for proper installation and optimal performance. Please use our fitment guide to ensure compatibility before purchasing. This step guarantees your NGK Iridium IX spark plugs will integrate seamlessly with your engine.

How difficult is the installation of NGK NGK Iridium IX spark plugs?

Installation of the NGK Iridium IX is a straightforward plug-and-play process. Its design simplifies the replacement procedure, making it an easy DIY task for most enthusiasts. You can confidently install these spark plugs without specialized tools.

What performance improvements can I expect from NGK NGK Iridium IX spark plugs?

Expect enhanced engine response with an 8 score for Daily Driving Comfort, attributed to improved starting, idling, and throttle response. These plugs deliver a noticeably sharper acceleration and smoother overall engine operation. Your driving experience will be transformed by this upgrade.

What makes the NGK NGK Iridium IX ideal for street performance?

Outstanding acceleration and sharper throttle response drive the NGK Iridium IX's 9 score for Street Performance. The tapered cut ground electrode further refines starting and idling for a more engaging driving experience. These plugs are engineered for enthusiasts seeking dynamic performance gains.

Additional Resources

Official NGK Product Page

Browse More: Shop All Spark Plugs — Ignition

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Additional Information

Clearance Item:
N
MPN:
6664
Proposition 65:
N
Case Lot Quantity:
4
Category:
Ignition>Spark Plugs
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