Check with your local NAPA. Don't call them, go see them and talk to a real parts person.
The MC may be the hard to find item, but it can be rebuilt and sleeved if it's pitted...same for the wheel cylinders,
I got new WC for my 1957 Fire Truck from NAPA, they were in stock at the warehouse and I got them the next day.
Mike B

I will do that, Thanks!
Nice looking truck. Looks to be in good shape.
It is, just needs some fixing and it should be good to go for a while.
Hy Mattman2010, 1960 is the first year of standard torsion bar suspension, the following part numbers are predicated on your truck having that suspension.
standard master cylinder, 1/8" bore Napa p/n NMC P34404 $44.99+$17.00 core
RockAuto, Raybestos p/n MC34404 $46.99
heavy duty master cylinder 1 1/4" bore Napa p/n NMC P34956 $114.00+$17.00 core
RockAuto, Raybestos p/n MC19089 $78.79
wheel cylinder front left Napa p/n UP19090 $27.49
RockAuto, Raybestos p/n WC19090 $19.06
wheel cylinder front right Napa p/n UP19091 $27.49
RockAuto, Raybestos p/n WC19091 $18.03
brake hose, front RockAuto, Raybestos p/n BH33675 $17.70
wheel cylinder rear, Napa p/n UP18196 $35.49
RockAuto, Raybestos p/n WC18196 $3.49 (they only have one left)
front wheel cylinders one of each are required for each side of the truck, rear wheel cylinders two of each for each side of the truck, front brake hoses two required. I could not find a part number for the rear brake hose, but after supper I'll do some more looking, hope that helps.
Thats a big help man, thanks for the part numbers!