Dino Aldeguer and Bruce Dacia, who topped with 14 and 12 points, respectively, shone in the crucial endgame as the ICTSI Archers now gained solo lead in the NCR division with a 2-1 card.
The Paint Masters suffered their second consecutive setback in as many games.
Hapee Toothpaste clamped down Montanas defense in the final three minutes to pull through with a 69-59 victory and gain a share of the lead in the second game.
Peter June Simon led Hapee scoring with 14 points and sparked the teams crucial surge.