If you are on a tight budget, these aftermarket twin-leading-shoe wheel cylinders are ideal. This is the right side, 15/16" bore as used on later models. Sold each, use two (2) per car. See GWC0126 for Lockheed.
If using these wheel cylinders to upgrade from .80" early wheel cylinders for better braking, please use late brake backing plate 37H2013. These are identified by manufacturer's marking 4651-732 inside.