Honda Civic EB series engine from 1973 to 1979.
This twin side draft Dellorto 35mm DLHB or Weber 32DCOF carburetor manifold suits the Generation 1 1200 and 1300 Civic engines.
The DCOE and DHLA carburetors wont fit this manifold as it has a narrow bolt pattern for the carburettors.
This manifold was originally designed and made in New Zealand under the DM Manifold, Develo and Autoquip Brand before Aussiespeed purchased the tooling from Bob Homewood of Hitech motorsport.
Should you require to use the external water accessory fittings they are operational and you can be drilled and tapped to your required size.