Bosch 7962 FR8LCX+ Super Plus Spark Plug - SEO-Optimized, Single-Pack Review

Used for 2 years on 2 cars in all climatic conditions with no problems. Iridium did 100,000 miles in my cars but only lasted about 60,000 before being replaced.

This is a spark plug. It's inexpensive and reliable. My car easily eats oil and fouls the spark plugs. It's cheaper and better for me to just change them every 6 months. With prices this low, there's no reason not to. I will never buy $20 iridium candles again unless they are genuine PITAs that need changing, which I only do every 100,000 miles.

Excellent spark conductor. Works very well as a high performance copper. Copper is the best conductor of electricity and this point is a reminder of the reliability of good contact and electron transfer for a large spark and no misfires. After replacing four spark plugs. I noticed less engine power loss and after four weeks had better long haul fuel economy again.

I have no way of technically comparing the factory champions that came with my 2003 Dodge Durango SLT 4.7 to these compatible spark plugs. To make my assessment even less helpful, I replaced the serpentine belt at the same time as the plugs, and since the new Dayco 5060875 serpentine belt was half an inch smaller in diameter than the old one, it's possible the old belt slipped a bit. All I can tell you is that after resetting the PCM (engine control module) on a car (bought used with 65,000…