Harness bar info,
http://www.camaro5.com/forums/showthread.php?t=274764
Good Race Pad read,
http://www.camaro5.com/forums/showthread.php?t=286394
Depending on the speeds you reach at the track, which let's face it that is why you are at the track, there really is no good street/track pad. Changing out the pads takes less than an hour and all you need to do is scuff up the rotors with some sandpaper, brillo pad or green pad(can't think of it's name right now) between swaps.