I had this RC4WD Helios 2 speed transfer case for a while now:
It is kind of big for most of my builds but now I think I've found the perfect spot. The thing is that I need a servo for shifting and I can't use a standard sized. What much torque should I be searching?

It is kind of big for most of my builds but now I think I've found the perfect spot. The thing is that I need a servo for shifting and I can't use a standard sized. What much torque should I be searching?