- Cast from premium-grade aluminium with precision-engineered sealing surfaces.
- Designed to fit classic air-cooled vw type 1 applications including beetle, bug, and bus.
- Allows clean installation of a single centrally-mounted 40 idf weber-style carburettor.
The Calflow single 40 IDF Weber intake manifold provides a reliable single-carburettor upgrade path for air-cooled VW Type 1 engines. Cast from premium aluminium with precision mating surfaces, it ensures an airtight fitment on Beetle, Bug, and Bus models. It allows enthusiasts to run a single centrally-mounted 40 IDF Weber-style carburettor to achieve improved fuel delivery and simplified tuning.