At Eastport, Will Urquhart doubled and singled, Ryan Eylar had two singles and drove in two runs and Phil Farrell had two singles and an RBI as Shead topped Calais.
Joseph Barnes picked up the win with seventh-inning relief help from Urquhart.
Logan Johnson and P.J. Descoleaux had two singles each for Calais.
Calais (10-5) 020 200 0 4-7-2
Shead (7-8) 014 oo2 x 7-10-2
Johnson and Edwards; Barnes, Urquhart (7) and Eylar