Three tackles after his run, he finished the play he started by dotting down for four points.
With the conversion attempt unsuccessful, the Stallions were now two points behind, at 24-22.
Minutes later they dotted down again and added the conversion to go ahead, 28-24.
The Whalers hit back but were denied a try close to the line.
Kentworthy continued to be threatening for the Stallions, making line-breaks around the park.
Mistakes and uncompleted sets by both sides meant possesion went back and forth, before the Whalers bagged a try to level the scores at 28-all.
The key moment came when — from a Whalers scrum at halfway — Paikea veteran Chris Brown broke the line and scored between the posts.
Maru Leach kicked the conversion to put the Whalers ahead, 34-28.
With 15 minutes to go, the Whalers dotted down again . . . 38-28.
They scored another try and Leach kicked the conversion to seal the victory, 44-28.
Now defending champions Paikea Whalers turn their attention to the Falcons, who beat them 36-20 in their last meeting two weeks ago in a semifinal playoff. They meet in the grand final at Awapuni Stadium at 1pm tomorrow.