It's an 18g. What is it going on? Anyways, here is a break down of the turbo.
Turbo-18g
Compressor wheel- 17c
Inducer diam. (in)- 1.900
Exducer diam. (in)- 2.680
Compr housing- ???
Turbine wheel- TD05H
Exducer diam. (in)- 1.930
Inducer diam. (in)- 2.200
Turbine housing- 080-8cm