A friend sent a pair home with me to put in the parts washer to clean up. They came off a 2.0L. I have looked them over and other than, made in Italy and Weber I see no part number or other identifying marks except a 76 with a degree symbol on the butterfly. Sorry no pix as old camera is not talking to the new computer. Where do I look for a model or size indicator?

2 carbs...

do they have 2 butterflies each?

or a single barrel each?

if 2 bbl, weber IDF IDA or DCNF
if 1 bbl ICT

measure the bore on them

40? 44? 48? IDF

34? ICT

There may be some very faint stamped marks on the body. It's most likely they're IDFs. Measure the throttle plate diameter and it will tell you if they're 40s or 44s. Post a pic and one of us can ID them, most likely.