DENSO is an OEM supplier to Honda and DENSO is listed in my owner's manual as a factory spark plug. I did my research and this particular DENSO spark plug model had to best technology/features and projected life (miles) for my price point. If you look at the quality & precision of these DENSO spark plugs that are made in Japan there is a difference from other brands of spark plugs that are outsourced to 3rd world countries for cheap labor.
Verified purchase: Yes | Condition: New
The best and longest lasting spark plug I have ever had. I have used Denso, and other brands, for the past 50 years and the Denso (formerly Nippondenso) have always outlasted and outperformed the other brands in any motor I've installed them.
Verified purchase: Yes | Condition: New
Better engine power/acceleration therefore, slightly better fuel economy is noticed It's smart to pay a little more and get these high quality spark-plugs because your engine will be more efficient and pollute less therefore, reducing your emission signature.
Verified purchase: Yes | Condition: New
Totally tell the difference...great plug with a real kick...denso did a good job with these
Verified purchase: Yes | Condition: New
On some cases I like to stick to OEM, and the Denso Platinum TT spark plugs was one of them. They were the best of the Denso spark plugs and the price was unbeatable.
Verified purchase: Yes | Condition: New
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