Collins then rolled off a 27-14 run behind Baggy Villahermosa, Erwin Codilla and Roland Olmedo to erect as much as 10 points at the half, 42-32, to grab the lead.
But Smart Tires rode on the combined offensive attacks of Panis Geralo and Dong Despi to get back the lead, 60-52, by the end of the third canto, while hot-shot Jenny Tabar unleashed 13 pivotal buckets to help the win.
In the other game, Larimp Network Tech stunned the towering Colonnade Supermarket, 90-68.
Egang Tabalin scattered 20 points to top score for Larimp, while Tasy Vidal added 17 markers as they now hold a 4-2 win-loss card, while Colonnade remained at the second spot with 5-2 card.