The Aussiespeed AS459 is supplied as a kit to mount 2×4 barrel dual quad carbs to blower shop 192 superchargers. Included is a top plate that mounts to the supercharger with a top and bottom paper gasket supplied
The adapter will accept single rear metering block carbs in front to back configuration or dual metering block carbs sideways.
The angle is machined on the base of the adapter so carbs should sit flat if your engine is set up at around 6.6 deg as per most manufactures installs.
Shown is a dual quad set up fitted to a 192 on an Aussiespeed Slant 6 manifold