Does anybody have a a833 4speed 4 sale ball and trunion

I have a 1963 dodge dart gt with a slant 6 3 speed on the colum and would like to go to a 4 speed on the floor the transmission that it has on it now is a ball and trunion the reason why is that im going to turbo it and i thing i need an extra gear so does anybody have a833 4 speed for a slant 6 with a ball and trunion that is in good working order thank and have a great i can post pic if you like of the car