Moanalua guard Dexter Williams poured in 22 points and Na Menehune outscored Kalani 25-11 in the final frame to coast to a 61-47 victory over the Falcons.
Dexter Armbrust added 14 points and was a perfect 8-for-8 from the free throw line in his first game back from injury.
Kalani guard Tatsuya Ono, the leading scorer in the OIA Red, scored 12 points for the Falcons in the loss.
Na Menehune improved to 3-4 on the season, while the Falcons dropped to 3-5.