NGK (4344) (4344) LTR5IX-11 Iridium IX Spark Plug, (Pack of 1), Pack of 1

I'm running a 2002 Ford Focus 2.0L with 304, 000 miles. Great plug so far. My first experience with iridium plugs. I was a little hesitant to go off the reservation and switch from Motorcraft to NGK and iridium NGK at that! 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. I already have logged almost 2,000 miles, & I have seen a huge difference in gas mileage and smoothness. A little bit more power too. I had some confusion on whether I should gap them to a different setting other than the factory. Specs I saw for my vehicle were 0.50, they come pregapped at 0.44. I went with the specs. Just make sure you have the correct gapping tool to adjust it. From what I understand it doesn't take much to ruin these plugs . It's been running fine with no misfires or check engine light, so, so far so good.

I really know very little about cars, but was looking to improve the performance of my 2009 2.5L 4cyl Mazda6. (It's a great car, but I have always felt it could use a little more horsepower.) After reviewing all of the helpful reviews on Amazon, my local mechanic dropped them in, since I would have no clue what to do, and voila! Instant improved engine performance! I did purchase new tires at the same time of installation, so certainly the combination of the two would result in improved overall performance, but you can really tell the engine itself is working better. I have not noticed an improvement in mpg yet, but mostly because I'm doing a lot more accelerating.

This is a great product. I have a 2005 Saturn Ion and was originally told to use Platinum Spark Plugs in my car, this was not the case and they caused me to have problems with my engine. I bought these and put them in and the problems that I had ended almost immediately. I would recommend them to anyone needing a good spark plug for an older model car that needs something to spark at a higher temp.

Great price

Works like it should

4.2 ls vortec, works good

I hit just over 70k and my truck was not running well at all (16mpg highway, on a good day, HORRIBLE idle, etc). I trolled the 355nation.net forums and saw people recommending Iridium plugs, but I couldn't find the specific plugs they mentioned in stock locally, and on Amazon I couldn't find anyone that had enough stock, so I thought I'd give these a try. I've driven just over 700 miles on them so far -- the truck idles *far* smoother than it did, and acceleration is better. I don't think the engine computer has fully adjusted yet, as it idles a bit high, but I'm told that will sort itself out as time passes. Highway MPG was just under 18mpg on my last tank, so I think things are headed the right direction now. :)

We have three larger vehicles, Dodge Ram 4.7 Liter, Dodge Ram 8 Liter, and a Ridgline 3.5 liter. I upgraded all the plugs in all the vehicles to Iridium and they run noticeably better, livelier, and no misses. I have not check mileage but am sure it will improve.

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Great price, fast delivery!

parfait comme je voulais

Exactly what it said it was

This said it fits 2012 ford escape it does not