I replace my old one power iridium to this new TT iridium spark plug to see are there any different. Compare with my used Power Iridium. It seem to be power pick up is better.
Verified purchase: Yes | Condition: New
Excellent quality, it was less expensive than my local auto part stores. i just have too way a bit longer.
Verified purchase: Yes | Condition: New
The Denso Iridium Twin Tip spark plugs have two tips that allows for better spark distribution and more efficient fuel ignition, according to the literature. After installing them, I do believe it. The vehicle seems to be running a bit quieter or smoother, and it definitely seems to have a bit more pep. Have not used it long enough yet to determine if actual fuel efficiency has improved, but I would not be surprised if it has. Literature says these plugs are rated for over 100,000 miles, which is GREAT!
Verified purchase: Yes | Condition: New
Came as described and on time. Can't beat the price for this quality and type of plug. Really too early to tell on the gas savings, but definitely noticed a difference in power and response. Did also replace the coils too. These were for a '08 Jeep Grand Cherokee.
Verified purchase: Yes | Condition: New
Incredible increase in power on my 2000 Tundra. I replaced all 8 coils as well. The price was a third of the parts store price!
Verified purchase: Yes | Condition: New
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