This is a IS20 ball bearing turbo chra/core with IS20 OE compressor wheel upgrade high flow GT30 9B wheel.
The internal structure of this IS20 ball bearing is similar to G25 G30 ball bearing structure, which uses the latest G series ball bearing. The bearing housing is newly developed and casted, the outline of which is the same to IS20 IS38 OE’s, fittings and connections are the same to OE’s.
Turbine wheel: upgrade high flow GT30 9B wheel, cut into IS38 OE size, can fit into IS38 OE/STD turbine housing, no problem, no machining required.
Comp wheel: IS20 OE wheel.
Learn more from here:
CHRA IS20 G25 G30 BB upgrade with IS38 wheels
Turbo IS38 G25 G30 ball bearing upgrade with GT30 9B turbine wheel and larger comp wheel
CHRA IS20 G25 G30 BB upgrade with IS38 wheels
Turbo IS38 G25 G30 ball bearing upgrade with GT30 9B turbine wheel and larger comp wheel