NGK

NGK IX Iridium Spark Plug Box of 4 (BPR8EIX) - 6684

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SKU:
NGK6684
UPC:
87295166840
MPN:
6684
Availability:
Regularly stocked product
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MSRP: $90.60
$34.37
— You save $56.23
Current Stock: 8

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Description

Is NGK Iridium IX a good spark plug for my car?
Confirm fitment for your vehicle; Iridium IX spark plugs deliver outstanding acceleration and fuel efficiency for enhanced performance.

How do I install NGK Iridium IX spark plugs?
Install NGK Iridium IX spark plugs as a direct replacement, ensuring a drop-in fit for improved engine responsiveness and power.

NGK Iridium IX spark plugs are engineered for your vehicle, achieving a top score of 9 for Street Performance and Engine Performance. Featuring an iridium-tipped center electrode and tapered cut ground electrode, these spark plugs ensure extreme ignitability for exhilarating acceleration and throttle response.

Key Features

  • Iridium IX provides outstanding acceleration, high fuel efficiency and durability
  • extreme ignitability
  • 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
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties

Why Choose the NGK Iridium IX

Delivers exhilarating acceleration and improved fuel economy for a thrilling ride.

Achieves instant ignition for smoother starts and a more responsive engine.

Provides exceptional resistance to fouling, ensuring consistent performance under all conditions.

Transforms your driving experience with superior starting, idling, and throttle response.

Who Is This For?

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

Engine Performance — 9/10
Extreme ignitability and improved starting/idling.

Fuel Efficiency — 8/10
Iridium IX provides high fuel efficiency.

Track / Autocross — 8/10
Outstanding acceleration and throttle response.

Racing Competition — 8/10
Extreme ignitability and outstanding acceleration.

Easy DIY Install — 10/10
Drop-in install type, no special tools needed.

Frequently Asked Questions

Will the NGK Iridium IX spark plugs fit my vehicle?

Confirming fitment for your specific vehicle is essential for proper installation and optimal performance. Please use the provided fitment guide to verify compatibility before purchase. This ensures a seamless integration with your engine's ignition system.

How difficult is the NGK Iridium IX spark plug installation?

Installation of the NGK Iridium IX is a straightforward drop-in process. This design requires no specialized tools or complex procedures for fitting. You can confidently perform this upgrade with standard automotive tools.

What performance improvement does the NGK Iridium IX provide over stock spark plugs?

Expect a significant boost in acceleration and throttle response, scoring a 9/9 for Street Performance. These spark plugs deliver extreme ignitability and a tapered cut ground electrode for enhanced engine operation. Experience a more exhilarating and responsive drive.

Is the NGK Iridium IX spark plug worth upgrading from OEM?

Upgrading to NGK Iridium IX is highly recommended for its superior performance and durability. The iridium fine wire center electrode is six times harder than platinum, ensuring long-lasting, consistent ignitability. This material advantage translates to sustained engine performance over time.

How durable are NGK Iridium IX spark plugs?

NGK Iridium IX spark plugs offer exceptional durability, outperforming traditional platinum electrodes. The iridium fine wire center electrode boasts a hardness six times greater than platinum. This robust construction ensures longevity and consistent ignitability for demanding driving conditions.

Additional Resources

Official NGK Product Page

Browse More: Shop All Spark Plugs — Ignition

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Additional Information

Clearance Item:
N
MPN:
6684
Proposition 65:
N
Case Lot Quantity:
4
Category:
Ignition>Spark Plugs
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