The whole clamp assembly is removable from the cabinet; when you receive a new set, you have to install the bottom half of the clamp to the cabinet. We do not offer an adaptor for an Illusion tower, but one should be fairly easy to fabricate! And, you would be able to have that adaptor fasten directly to the cabinet, using tthe stock mounting hardpoints.
Good luck! If you pursue it, post pics! We would love to see it!