SKU: 14378295792

NGK Iridium Spark Plug Box of 4 (LTR7IX-11)

Sale price$38.70 Regular price$43.00
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

NGK Iridium Spark Plug Box of 4 (LTR7IX-11)NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and 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. Iridium alloy's extremely high

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and 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. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • 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

This Part Fits:

Year Make Model Submodel
2014 Cadillac CTS Vsport
2014 Cadillac CTS Vsport Premium
2014-2015 Cadillac XTS Vsport Platinum
2014-2015 Cadillac XTS Vsport Premium
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 14378295792

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4.8 ★★★★★
Based on 12 reviews
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Verified Purchase
Gustavo Gonzalez
Charlottesville, US
★★★★★ 5
As expected it
Great brand, engine smoothness, value for money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026
L
Verified Purchase
Lauren
Natrona Heights, US
★★★★★ 5
Perfect
Excellent spark plugs. Seems like OEM performance. Very easy to install. Fit perfect for an 08 crv exl
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025
R
Verified Purchase
RZA
Bozeman, US
★★★★★ 5
Amazing Spark plugs
Smooth starting came after I fitted these Bosch 9614 double iridium plugs into my 2014 Honda Accord Sport, along with slightly better idling behavior. Longevity might come from those fine iridium tips; installing them felt straightforward enough. Yet here's the catch - the 9614 doesn't match what the factory actually specifies for the 2.4L engine in that year’s Accord. Most often, it's the 9694 or some other OEM-recommended plug you’d want instead
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Reviewed in the United States on December 30, 2025
A
Verified Purchase
Akram M.
Houston, US
★★★★★ 5
Great plug
Not sure about gas mileage, but these definitely improved the performance of my little 1.8 L Honda Civic, not sure if it’s because the old Plex were just old and weak or just because these are that much better. Acceleration is much better and engine or idle is much smoother
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Reviewed in the United States on September 28, 2025
K
Verified Purchase
Kheino Campbell
Charlottesville, US
★★★★★ 5
Very affordable compare to the Honda OE
Prefect fit and very affordable for the brand.
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Reviewed in the United States on March 22, 2026

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