RARE experimental air cleaner 62' for 383 or 413 dual inline 4 barrels

BB-Dave said
COOL stuff!!!!! What's the center to center carb stud holes in the top?
Does this fit like the '57 Desoto 383 dual 4 barrel?

No such thing as a 57 DeSoto 383 dual 4 bbl engine.
Never heard of that one before.
325 and 341 V8 engines.