Alternatively you can give us the bitting or “code” of the cuts on the key. We will cut the key to this code, and combinate the cylinder to that code but unfortunately we would have no way to guarantee that it would match your existing keys. It only takes about .03” error in a pin or a cut or a code for a key to not work the cylinder that it was intended to.
Click Here though I would have with you the Kaba Ilco 863F-00-10 Marks Cam as seen here:
Click Here
as it more accurately represents the dimensional requirements listed in the installation instructions which call for a .800” cam length.