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Marco Carpenter photo
Japan, Tokyo
1 Level
774 Review
54 Karma

Review on ๐Ÿ”ฅ NGK (4996) IFR5T11 Laser Iridium Spark Plug: Top-Performing Single Pack by Marco Carpenter

Revainrating 5 out of 5

These plugs last a long time.

Identical original candles replaced by these. I thought it would be a good idea since my car had 157,000 miles on it. Three of the four old candles were clean. One looked like a piece of the electrode had come loose, but it still worked fine. I had no error codes. After that I didn't notice any improvement after driving it the last two thousand miles. But I felt better. I think these spark plugs could easily run 200,000 miles or more.

Pros
  • Not only usable for the intended purpose
Cons
  • There are defects