1939-48 Ford Mercury 48-52 F-1 Brake Master Cylinder 91A-2140-W NEW

Information I have been able to find for the Dorman 1050:

Application Summary: Ford 1952-46, 1942-39, Lincoln 1948-46, Mercury 1948-46, 1942-39

Product Specifications
Master Cylinder Bore Diameter:    1.063 in
Master Cylinder Material:    Cast Iron
Mounting Hardware Included:    No
Number of Outlets:    1
Package Contents:    Master Cylinder
Package Quantity:    1
Packaging Type:    Box
Rearward Outlet Size:    1/2-20
Reservoir Included:    Yes
Sensor Included:    No