Dual Ball Bearing GT28R Turbo assembly with internal wastegate assembly. .64ar turbine with 5 bolt exit. Very very Good response turbo for 4 Cyl applications. This turbo has a flow capacity of about 310HP.

Turbine:

-Wheel: 53mm w/ 62 trim

-Housing: .64 ar

Compressor:

-Wheel: 60mm w/ 60 trim

-Housing: .60 ar