is this a real gt42r

[getherdone]

Garrett GT42R - Dual Ball Bearing GT42R Turbo assembly available now. Exhaust housing options include standard larger GT42 turbine flange with 5.00" V-band discharge(a/r 1.15) or T04 flanged with 4.00" V-band (a/r 1.01 or 1.15). This turbo is good for 850 horsepower setups.

Turbine -Wheel: 82mm -Housing: 1.01 ar, 1.15 ar, 1.28 ar, 1.38 ar

Compressor -Wheel: 94mm w/ 56 trim -Housing: .80 ar

lol so which gt42 do i have its none of the ones you listed