you may not be interesting in sending it off.
I used these guys yrs ago for my 235... and have it rebuilt ( they can also sell you one)
the price back then was ok and I got it back in good time..
I installed that s ucker, hit the floor starter , it was purring like a kitten
did nothing to it but drive it for many yrs.. just a thought
again this was yrs ago but
here is a link to their place recarbo