Bought some forks and they came with two headsets.

Unused and in original packaging. This one comes without the crown race. 

Info from the Cane Creek site: 

.41mm angular contact bearings feature 36degree inner chamfer, 45degree outer (36/45)

.Directly compatible with 41mm head-tube and fits 42mm (Italian) head-tube with supplied 0.25mm shim

.Integrated (IS) assemblies feature chamfers molded inside the head-tube with no press-in cups

.9mm stack height (short) top cover