Another small block turbo early valiant

Ok guys I decided to ditch the turbo I had to go with something I knew more about. I'm looking at CXRacing turbo's and thinking on something along the lines of this T4 T76 0.81 A/R. Am I on the right track or is there a better option?

Items included in this Item:
Ball Bearing T76 .81 A/R P Trim Turbocharger x1
Oil Feed -AN4 Fitting x1
Oil Drain Flange x1
Gaskets x2

Tech Specs:
Air Inlet: 4"
Compressed Air Outlet: 2.5"
Bearing: Dual Ball Bearing
Turbine Housing Flange: Standard T4
Exhaust Outlet： 3" V-band Outlet
HP Rating: 800 HP
Cooling: Oil Cooled
Working Pressure: 25 PSI
Compressor: Billet Wheel
Turbine: .81 A/R
Compressor Wheel: 76.7/102.4 MM
Turbine Wheel: 74.1 /64.6 MM