I asked this same question quite some time back. There are dual hydrovac models available that look like two smaller canisters attached back to back with the brake line fittings on either end.

I can't find it via the search feature. Maybe you'll have better luck.

Jeff


My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton