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6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469

TLDR Review: NGK Iridium IX Spark Plugs LFR5AIX-11

By ShopSavvy Team

Published: May 30th, 2024

Last Updated: June 20th, 2024

Pros

•Fit perfectly for the G35 motor and the 2002 Pathfinder engine.
•Prapped correctly, making installation easy and improving performance.
•Engine started right up and runs much more smoothly posnstallation.
•Expected to last for another 100,000 miles.
•Great spark plugs with confirmed authenticity through NGK verification.
•Car performance improved significantly after installation.
•Reliable replacement for Infiniti OEM spark plugs.
•More affordable compared to local auto parts stores.
•Comparable quality to parts sourced from a physical store.
•Installation was straightforward and resolved issues effectively.

Cons

•Four out of the six spark plugs received were used and not as expected.
•Significant disappointment due to wasted time addressing the issue.

Bottom Line

The 6 New NGK Iridium IX Spark Plugs LFR5AIX-11 #4469 are a high-quality, reliable choice for improving vehicle performance. They fit perfectly in specified models like the G35 and 2002 Pathfinder, are pre-gapped for easy installation, and offer better affordability than local stores. However, be cautious of potential discrepancies in product condition upon delivery.

Available at Amazon

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How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 2 retailers to give you the short version.