Amazing Spark Plugs!
When I initially saw how inexpensive these were, I assumed they would be of average quality. Was I ever wrong! They're finished like jewelry. Seriously, the workmanship is incredible! Two points I particularly like, they came pre-gapped at .043 (the spec for my car's application). I double checked them and they were right on the money. Also, the threads were so well machined that they screwed in as smooth as silk. THAT is of paramount importance to me, as I never want to cause damage to the treading when changing plugs. DENSO has made a believer AND a customer out of me! Oh, and so far, the engine in my car is running great. No complaints!
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