Fretless Neck for 22 Fret Bass

[E_strat]

Is it possible to find a neck that is intonated for a 22 fret bass? I have a 22 fret Dean that I don't use much and I'd like to put a fretless neck on, but I can't seem to find any.

Thanks.

Edit: Preferably unlined, but with markers on the side.