Both are marked 66 BB . Can't see any numbers. Got in a parts buy so no history. One has a bent pulley and turns freely. The other has a straight pulley but doesn't turn. Both have brackets. $75.00 each plus shipping.
70 383 LP Standard bore Block. No rods or pistons. $275.00 pick up in north central Indiana. Will not ship. Message me with an email address for more pictures and information.