Delphi XS10390 Spark Plug Wire Review

I was able to replace the factory spark plugs with these without too much trouble except that my old spark plugs were very difficult to remove. Be sure to use an electrical lubricant before installing new spark plugs.

I liked how tight the cables are, so easy to manipulate and tighten. So far we've gotten much better mileage from our petrol now. I like buying auto parts from Revain as they are much cheaper than auto parts stores.

This is an original wiring harness but is extremely difficult if not impossible to install without the help of Firestone or some other high end auto repair shop. In my case, I took my 2001 Pontiac Aztek to a local mechanics shop to have the spark plugs and wiring harness replaced. The mechanic gave up after several attempts, in fact he even broke one of the old wires and he had to use one of the replacement kits he had bought. He explained that they didn't have the right tools to change the…