Na Menehune jumped out to 34-22 halftime advantage, and held Pearl City to 11 points in the final two quarters en route to a 70-33 rout of the Chargers.
Wesley Armbrust led the way with 19 points, and Dexter Williams chipped in 13 more for Moanalua, who will pay a visit to West top-seed Radford tonight at 6:00 p.m.
Pearl City got 11 points from Josiah Demello in the loss.