It was the first championship appearance for the Detergent Kings since they joined the league in the second conference of the 1998 season with a team led by Asi Taulava.
A perennial third placer, Blu Sun Power hopes to nail a major title after clinching the PBL-Cebu Basketball Federation Partnership Cup against Montana last February.
With the loss, ICTSI-La Salle was left to square off with Kutitap Toothpaste in a separate best-of-three series for third place.
"Its been a long time. Matagal na rin since nag-champion ako at matagal na ring minimithi ng Blu na makapasok sa finals. Nakaukol rin siguro," said Blu coach Leo Isaac.