I have some used parts for sale of my 04 Cobra. Here's a list.
Coolant crossover tube. Make offer
http://i1218.photobucket.com/albums/...th_photo-1.jpg
http://i1218.photobucket.com/albums/...s/th_photo.jpg
Steeda 100mm snub idler - 100+shipping and fees if apply
http://i1218.photobucket.com/albums/...th_photo-2.jpg
Water pump
Drive belt tensioner
Supercharger belt tensioner
Parts are used but had no problems when they came off the car. The car had 70,000 when they came off. I replaced them because I had the motor apart and figured it was a good idea while it was apart.