🔌 Denso 671-4137 Original Equipment Replacement Wires - Premium Quality Ignition Wires for Enhanced Performance Review

My analysis of this automotive replacement part showed that it was a great alternative to the original equipment. The performance of my engine has noticeably improved since I installed it. The only downside is the price, which is slightly higher compared to other aftermarket brands. Overall, I highly recommend this replacement part for anyone looking to upgrade their ignition system.

I normally find Denso products to be very well made, but when attempting to remove these wires the rubber boots slid up leaving the contacts firmly seated on the connectors. I had to use pliers to remove them. This is done with Denso spark plugs, properly applied dielectric grease, and the recommended removal technique. I ended up buying a cheap wiring harness from my local parts store that worked great.

This item seemed good at first glance, looked well made. It arrived in a Denso box and I have always known that Denso products are quality products. Since I was working on my 1995 Toyota P/U, I bought them because they were an OEM brand. They installed well and seemed to work well, but when I went to change the spark plugs I removed the boot and the boot came loose from the metal insert that attaches to the tip of the spark plug. I had to get needle nose pliers to pull the insert out and since…