I have a new, short shaft that was installed in my TKO600 by Mike Forty but I now need a long shaft for a small block so I converted it back. He charges $325.00 unless you send him your new core but I will sell mine for $275.00 obo.
Let me know if you interested.
For pictures see .........
http://public.fotki.com/carbon777/ac-cobra-parts/