No, each has it's own pin height because of difference in stroke, 4.00" vs 4.21".
A 428 +.031 would be std 455 bore size as far as bore size is concerned.
Ross offers dished Pontiac pistons.
RaceTec offers a nice dished piston (23ccs in this case) for less $$ than Ross, here is one from a set I ordered for a 421 in std 428 bore size (4.120"):