The Zebras defeated the Vikings 25-11, 25-22, 25-21 for the league win.
Sara Alexander had six kills to lead the Vikings. Caylie Teel had four and Courtney Newsome, Kelsey Ball and Jade Hoffman each added three.
Alexander also led Valley at the net with three blocks in the TRC match. Newsome led her team with 13 digs, while Teel had eight and Danielle Adams and Ball each had seven. Kelsey Eckert had nine assists and Tenaya Shull had five.
Valley is now 12-10 on the season.