Set of 46IDA3D https://pbase.com/9146gt/image/146715256, the early Made in Italy https://pbase.com/9146gt/image/146715264 46mm WEBER Carburetors as used in many early Porsche racing cars https://pbase.com/9146gt/image/146715288

These carburetors already come equipped with the tall Auxiliary Venturis (High Performance, Racing) https://pbase.com/9146gt/image/146715253 (the two long tubes between the chromed air horns). The taller venturis were used in 46mm WEBER carburetors which are often found in 906, 911R and some 914-6 GT two liter race engines. The shorter venturis are used in production 911 street engines.