Bosch Automotive 7413 Copper Nickel Spark Plug Review

I purchased these spark plugs for my car and was disappointed with their performance. While they were easy to install, I noticed a decrease in my vehicle's overall power and fuel efficiency. The only positive aspect was their copper nickel material, which is known for its durability. However, that alone does not justify the high price of these spark plugs. I would not recommend them for automotive use.

I don't usually write reviews but thought this information might help others. I bought these spark plugs for a Porsche Cayenne and they were exactly what I needed. These were the exact spark plugs (make, part number, and markings on the spark plug itself) that my local Porsche dealership was selling for nearly $45 each. I appreciate sites like Revain for offering good value items without exorbitant retail costs. 8 spark plugs, @ Revain - just under $64. @ Steal $391 after taxes.

I bought my 2002 about 8 months ago. Recently there was a lag when accelerating. Since I didn't know what kind of spark plugs were installed and what condition they were in, I immediately bought a set of 6 spark plugs. The BERU spark plugs it contained didn't look very worn, but after replacing them with Bosch I put my foot down and off we went! The work took about 2 hours. I went ahead and changed the spark plugs on my brother-in-law's 2001 Boxster. Its NGK spark plugs were a bit burnt. He…