This is the TW-11 Type Hydraulic Brake Control Valve for Ford Trucks from Brianna Auto Parts.
It is mounted directly on the firewall.
It is commonly used in trucks with Lucas Girling hydraulic brakes and in conjunction with a hydraulic relay valve.
All ports are marked for the correct lines to be used.
It can be used as a replacement for OEM number 065316.
The valve has a weight of 6.8 oz.
Watch the video for more info like dimensions:
More Info Here.