Vacuum Connector
For Stromberg 97 Carburetors with VP
RHR-18518-VP

Roadside Hot Rods is the official distributor for Stromberg-97 carburetor products in Germany...

This is located at the bottom foot of the Stromberg 97 carburetor.
Not all carburetors are equipped with it, so please check in advance whether there is an approach incl.
a threaded hole.
An example image is included in the description.

Material: brass
Diameter for vacuum hose: 5mm (hose inside)