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Pros & Cons
pros
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pros
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Engine Performance
Customers report significant improvements in engine performance after using these NGK Iridium IX Spark Plugs, resulting in smoother running engines, increased power, better response, and improved gas mileage.
Spark Plug Durability
Customers have reported positive experiences with NGK spark plugs, praising their durability and long-lasting performance in various engines. Some customers have used these plugs for years without issues and have recommended them to others. However, one customer experienced an issue during installation where a core broke off, but was able to resolve it by replacing the faulty plug with a new one. Overall, customers are satisfied with their purchase and the smooth engine performance they've experienced.
Fitment
Customers report that NGK Iridium IX Spark Plugs fit perfectly and are excellent OEM replacements for various Mazda models, resulting in smooth running engines. However, there is a warning against purchasing counterfeit versions of these plugs.
Highlights
Quality
Great plugs, really helped smooth out the engine.
Worked great and the old 2008 edge engine feels like new again!
They had about 50,000 miles on them when pulled and looked like they only had about 10k.
You will have to gap each plug to your car and engine's specs, or expect nasty idle and performance.
Price
They are ngk at 70% auto parts store price and they have always worked well in our mazdas
Perfect fit for 2006 mazda 3 ,4 doors ,good price for 4 spark plugs .
Shipping
I recommended it fast delivewr i got these the next day ,i got this on 3/8/17delivered on 3/9/17 i installed them today 3/9/17 awesome
Competitiveness
I upgraded all the plugs in all the vehicles to iridium and they run noticeably better, livelier, and no misses.
A great alternative to buying the more expensive oem plugs!
7 liter, dodge ram 8 liter, and a ridgline 3.
Overview
- How are reviewers describing this item?
great, new and perfect. - Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
- Our engine has determined that the review content quality is low.
- Our engine has analyzed and discovered that 71.0% of the reviews are reliable.
- This product had a total of 176 reviews as of our last analysis date on Oct 5 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
You will have to gap each plug to your car and engines specs or expect nasty idle and performance
Posted by a reviewer on Amazon
Mazda wanted over 200 to replace 4 spark plugs
Posted by a reviewer on Amazon
These are the correct ones for a 2009 ford escape hybrid with the inline 4 enginei did need to set the gap to 0
Posted by a reviewer on Amazon
They were gapped a bit small out of the box
Posted by a reviewer on Amazon
The lady at autozone freaked me out a little bit saying how you should just stay with oem motorcraft blah blah blah blah but after reading amazon reviews as well as searching youtube and the rest of the internet i took the plunge
Posted by a reviewer on Amazon
I had some confusion on whether i should gap them to a different setting other than the factory
Posted by a reviewer on Amazon
Specs i saw for my vehicle were 0
Posted by a reviewer on Amazon
From what i understand it doesnt take much to ruin these plugs
Review Count History
Price History
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