Help, need a 454 Gen5 .030 piston
 

Need one lonely piston, has a circle stamped on underside of top, inside small circle is 3458 with 06 under it. also there is N 718 on the opp side. On top of the piston is .030 and cyl. 1 3 5 7.
There a a flat dome on top, with one valve relief on the top right. I will post a couple pictures if I can figure it out.
The Engine is a Qwicksilver repower tag has , serial number 91004040, tag also has 806352R5, dated 4/12/2007. Any help would be appreciated. Merc. repower gave me the following possibles;
gm #12563090, gm # 10232431, gm# 10244450
Thanks,
Dale