Sven Edvard Helge Ståhlfors was born on September 14, 1899 in Göteborg and made his IFK Göteborg debut in the 1923/24 season, which was also the debut season of team mate Anders Rydberg. Ståhlfors was part of IFK Göteborg's youth program before making his debute with the first team, and is as a result of that regarded by the club as a home-grown player. He spent two seasons with the IFK Göteborgs first team, and during his career he played in 2 first team games. He is the brother of Torsten Ståhlfors. Ståhlfors passed away in 1979, 79 years old.