Sorry to ask this guys I know it's on this site somewhere I just cant find it? Trying to identify my 235, cylinder head casting number is 3835913 I canot find a block casting number anywhere???? number stamped on pad is O25950I F54X and finally behind the starter is A-274 anyone know what I have???? Thanks in advance.

1965 chevy c-80 409 5-2 20000 original miles.
1965 chevy c-60 348 5-2 single axle tractor.
1952 chevy p/u 235 4 speed restored.
1965 chevy c-60 couch.
One grouchy wife. FOR SALE....CHEAP!!!!
The future is not what it used to be.....
Have a new pair of metric vise-grips and large metric hammer, can fix anything...