NGK

NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) - 6509

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SKU:
NGK6509
UPC:
87295165096
MPN:
6509
Availability:
Regularly stocked product
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  • Photo - out of package
MSRP: $90.60
$34.37
— You save $56.23
Current Stock: 1

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Description

What is the correct NGK Iridium IX spark plug for my vehicle?
Confirm fitment precisely by entering your vehicle's year, make, and model to ensure optimal performance from your NGK Iridium IX spark plugs.

How do I install NGK Iridium IX spark plugs?
Install these NGK Iridium IX spark plugs using a plug-and-play method, designed for a straightforward replacement process.

NGK Iridium IX spark plugs deliver unparalleled engine performance, boasting six times the durability of platinum for sustained peak output. Featuring an ultra-fine iridium-tipped electrode, these spark plugs ensure extreme ignitability for instant throttle response. Experience exhilarating acceleration and lasting engine vitality with this direct-fit spark plug upgrade.

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
  • The Iridium fine wire center electrode's durability is six times harder than platinum

Why Choose the NGK Iridium IX

Delivers exhilarating acceleration for a thrilling driving experience.

Achieves superior fuel efficiency and extended engine life.

Provides instant engine response for confident overtaking and spirited driving.

Eliminates misfires and rough idling for a smoother, more reliable ride.

Who Is This For?

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

Track / Autocross — 9/10
Peak performance, acceleration, and throttle response.

Racing Competition — 9/10
Extreme ignitability and outstanding acceleration.

Engine Performance — 10/10
Outstanding acceleration, ignitability, and throttle response.

Fuel Efficiency — 8/10
High fuel efficiency claimed.

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

Frequently Asked Questions

Will the NGK Iridium IX spark plugs fit my vehicle?

Confirming vehicle fitment for the NGK Iridium IX is essential for proper installation and performance. Always verify compatibility with your vehicle's make, model, and year using the provided fitment guide. Accurate fitment ensures the spark plugs will function as intended.

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

Installing NGK Iridium IX spark plugs is a straightforward plug-and-play process. This ease of installation earns a perfect 10/10 in the 'Easy DIY Install' usage score. Drivers can confidently perform this upgrade themselves for enhanced engine performance.

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

Expect exhilarating acceleration and superior throttle response with NGK Iridium IX spark plugs, achieving a 9/10 score in 'Street Performance' and 'Track/Autocross' use cases. These plugs deliver instant engine response for a thrilling driving experience.

How does the NGK Iridium IX contribute to engine performance?

The NGK Iridium IX contributes significantly to engine performance, boasting a 10/10 score for 'Engine Performance' usage. Its features like extreme ignitability and a tapered cut ground electrode provide outstanding acceleration and throttle response for optimal power delivery.

Additional Resources

Official NGK Product Page

Browse More: Shop All Spark Plugs — Ignition

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Additional Information

Clearance Item:
N
MPN:
6509
Proposition 65:
N
Case Lot Quantity:
4
Category:
Ignition>Spark Plugs
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