1969 427 4 bolt block casting number 3935439 dated F-14-8 stamped T1011LX with a vin after that. The block has all the machine work done including two sleeves, new freeze plugs, cam bearings, fresh 60 over bore and has been cleaned, magged and pressure tested good. Will sell for $2000 and will include shipping anywhere in the US. 330-770-2517 Dennis Vugrinovich for any questions or pictures needed.