Glenbard West led in the first set before faltering, but the Hilltoppers dominated Lincoln-Way East in the second set and edged them in the third to win the Lincoln-Way East Invitational.
Colin Baikie moved from the back row to the front row and led Lincoln-Way West with seven kills in a 25-18, 25-19 win over Providence Catholic.
Trevor Wardlow had 19 kills to lead Bolingbrook to a 25-21, 24-26, 25-13 win over Joliet Catholic Academy.