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Review on πŸ”₯ Enhance Performance with 4 New NGK IRIDIUM IX Spark Plug LTR6IX-11 # 6509 by Jack Bhowmik

Revainrating 3 out of 5

Excellent plugs. I have used this brand in my last 3 cars and love the way they have worked with these

Excellent product. This time the packaging was a bit poor and one of the boxes was warped as if it had been smashed due to the plain mailing envelope having no liner. I installed 3 of these before realizing the 4th had a hairline crack and was unusable. I had to reset the old one and go to the nearest store and buy a new one to replace it.

Pros
  • 2. The metal parts of the spark plug or the ceramic and metal joint have a four-digit number, this is a production batch that you can call the manufacturer from.
Cons
  • Reliability