Air Box Pro-Street 4 Cyl for Carburettor https://www.efihardware.com/products/2838/Air-Box-Pro-Street-4-Cyl-for-Carburettor
This Pro Series Air Box has a 100mm (4") inlet that will allow even the most powerful NA 4 Cylinder Carbureted engines to breath freely.
The low profile base gives the most clearance for other items in your engine bay including brake boosters and strut towers.