Luis Ángel Firpo came into the tournament as defending champions, having won their eighth league title in the previous season.

A total of 10 teams contested the league, 8 of which had already participated in the Clausura 2008 season, and two of which had been promoted from the Segunda División de Fútbol Salvadoreño.

The winner of the final series gained entry into the 2009–10 CONCACAF Champions League.

Relegated to Segunda División de Fútbol Salvadoreño as of June 27, 2008.

Luis Ángel Firpo Nejapa FC A.D. Isidro Metapán Vista Hermosa