As for the Bosch parts, the O2 sensors are fine. I have never had an issue with them. As for the Bosch plugs, avoid them and stay with either the Motorcrafts or the Autolites.

Steve

98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!