I went to an automotive brake rebuilder for my old 1-1/2 ton brake hydraulics,and bought just the cup for about .90,and the cups for the wheel cylinders for .59 each. All the old boots and springs were okay. They had cups clear up to 2-1/4 inch.
Speed


1954 GMC 350
1957 GMC 1/2 ton
1962 Chevy C-30
1952 Chevy 6400 dump bed project truck
'98 Harley FLSTC
'66 Pontiac Catalina
'76 Chevy 1 ton Duallie
'84 Bronco II
'78 Dodge W-200
'81 Toyota 4X4 truck