Yeah, they will work. However, sanwa Z connector is slighty smaller (less than 1 mm) than futaba J connector. Cut the tabs on the futaba and on the VFS-1 and try. If that doesn't work because they're still bigger, with a olfa cutter, take an slice (very thin) from both small sides of the connectors.
The Blue Armada: Tamiya TRF415MSXX, Tamiya TA05MS, Tamiya/Xenon TA05
Novak Brushless, Orion/Peak LiPo batteries, 5-cell
Sanwa M11 DSSS, KO Propo Servos