I have a complete bolt-on brake conversion that came off of a 2000 GTP. The LS1 brackets have been drilled and tapped for the Grand Prix hardware. They are a bolt-on setup. Comes with rotors, pads, calipers, and banjo bolt. They are a little dirty and the calipers are a little scuffed where the guy who had the car didn't bolt them down right and they came loose and hit the wheel. The calipers are not damaged and they were bolted back correctly and the calipers worked fine. They would need to be cleaned and painted or repowdercoated, but that is it. Bolt them on and go!
$75, the calipers alone are worth more than that!