Both Joe and Rich advised me to install return springs on the brake master cylinders. This will help prevent the possibility of dragging brakes. It consists of parts from McMaster-Carr:
Set Screw Shaft Collar - 9946K13
3/8" nylon sleeve - 6389K625
3" spring - 9657K435
3/4" nylon sleeve - 6294K441
nylon plastic washer - 90295A470