Has anyone upgrade from platinum to iridium for a Yamaha F225 4 stroke outboard engine? If you have, I'd like to hear comments regarding the change.

I ‘ve been running the iridium plugs in my 2008 Yamaha F225-TXR for three years as I use my bout around 400-500 hours a year, and did not want to have to change plugs every 100hr. I have ran them as many as 250 hr between spark plug changes. If you buy on line you have to make sure they are genuine NGK Spark Plug, cause I bought 1-set of Plug where the boxes looked just like the Official NGK Plug box but they were not! When I changed them out the electrodes were gone. I noticed a big difference when I switched to Iridium plugs the motor runs so smooth that at idle you can’t hear the motor running. You can call NGK and they will cross reference the factory plug to there Iridium plug for your application.

does this item fits nissan teana 2003 and nissan xtrail 2001?

In some regions of the world, the Nissan Teana is also referred to as the Nissan Maxima and in relation to your question my mechanic has advised that YES, these plugs would also fit both the Teana and xtrail. They are also referred to as long-range plugs.

would these fit a ram rebel 2018?? i need 16 don't you sell individually?

NGK 4469 will fit 2018 RAM 1500 5.7L V8. Please use this link for set of 8 (you will need to get 2 sets for 16 plugs) https://www.amazon.com/NGK-LFR5AIX-11-Iridium-Spark-Plug/dp/B01M21CUQA/ref=sr_1_1?dchild=1&keywords=ngk+4469&m=AQNXXK6F2T8SN&qid=1629780442&s=merchant-items&sr=1-1 Also you can use official NGK Website (link below) to verify the application https://ngksparkplugs.com/en/part-finder

are these pre gapped?

NEVER gap iridium or platinum plugs with a normal gap tool. never apply pressure to the central electrode. They should be pre-gapped to .044 in (1.1mm).

6 New Ngk Iridium Ix Spark Plugs Lfr5aix 11 4469

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

⚡ Ignite your drive with NGK Iridium IX – where precision meets power!

FREE USA SHIPPING - Enjoy fast, free shipping anywhere in the USA and territories—because your ride deserves no delays.
PERFECT FIT EVERY TIME - Standard 14mm thread size ensures seamless compatibility with a wide range of Hyundai, Infiniti, Kia, Nissan, Suzuki, and Toyota models.
UNMATCHED IGNITION POWER - Iridium IX core delivers superior spark for peak engine performance and fuel efficiency.
DURABILITY MEETS PRECISION - Tapered cut nickel ground electrode and ceramic insulator provide long-lasting reliability under extreme conditions.
COMPLETE 6 PACK CONVENIENCE - One order includes six plugs, perfect for a full engine replacement—no mid-project runs to the store.

The NGK Iridium IX Spark Plugs LFR5AIX-11 (6-pack) feature a high-grade iridium center electrode and tapered nickel ground electrode for enhanced ignition performance and durability. Designed with a 14mm thread size and ceramic insulator, these plugs fit a broad range of popular 6-cylinder vehicles from Hyundai, Infiniti, Kia, Nissan, Suzuki, and Toyota. Backed by free USA shipping and trusted by thousands of users, they deliver reliable, efficient engine starts and smoother rides.

Specifications

ASIN	B00330AMYS
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	166,421 in Automotive ( See Top 100 in Automotive ) 847 in Car Spark Plugs
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Core material	Iridium
Customer Reviews	4.7 out of 5 stars 2,863 Reviews
Included Components	4469
Item Weight	0.01 Ounces
Manufacturer	NGK
Manufacturer Part Number	4469 LFR5AIX-11
Model Number	4469
Number of items	6
Thread Size	14 mm
Thread size	14 mm
Top Material Type	Metal, Nickel
Top material type	Metal, Nickel
UPC	087295644690 087295044698
Vehicle service type	Motorcycle

Reviews

D**.

Excelente

Excelente producto mi camioneta funciona muy bien

13.10.2024

S**V

2009 Nissan Xterra GCC. Just installed them on 08-10-2023

I noticed a slight vibration on idle, which became pronounced when I turned on the AC. There was an oil leak on the plugs due to the seal on the valve cover going bad. I had to change the valve covers (Left, right), and plug these in; the car runs smooth. Will update in a couple of months if there's any change in the performance.

9.10.2023

W**H

As described

Quick delivery with FEDEX, product as described.

7.02.2022

D**N

OEM Quality. Smooth Idle and Easy Install

Fit perfectly and came pre-gapped correctly for my application, which made installation easy. I’ve always heard NGK is the go-to brand for these cars and now I see why. Solid quality and no issues at all so far.

21.05.2026

S**N

Very good product.

Pre- gap spark plugs. Fits and work well. Been using this brend for ever. Will buy again.

12.09.2024

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Received my product in pristine condition. Great service overall.

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago