A team has finished a game with 11-4 runs on that many hits 2 times since 1897, most recently CV9 on 9 June 1940. That is about one every 221,502 team-games.
Box score for the most recent one ↗
10-3 10-4 11-0 11-1 11-2 11-3 11-4 12-0 12-1 12-2 12-3 12-4 13-0