Shayne Jackson scored the winning goal with just under eight minutes remaining as the Langley Thunder evened their record at 2-2.
The Thunder edged the host Coquitlam Adanacs 7-6 in Western Lacrosse Association senior A action on Saturday.
Steve Fryer made 38 saves in goal for the Thunder, while Athan Iannucci (one goal, two assists), Joel McCready and Alex Turner (two goals) paced the offence.
Rob Van Beek also had a goal.
The win comes on the heels of a 14-10 victory on May 30 at the Langley Events Centre over the Nanaimo Timbermen.
Langley trailed 4-1 early in the second period, but Lewis Ratcliff scored four straight goals in a span of just 84 seconds.
Garrett Billings had two goals and seven assists for a nine-point night.
Iannucci also had a hat trick and Turner had two goals and two assists.
Brodie MacDonald made 35 saves for the win.
The Thunder are back in action tomorrow (June 6) when they host the Burnaby Lakers (3-1) at the LEC.
Game time is 7:45 p.m.