The internal structure of this IS38 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: larger wheel.
Learn more about the CHRA from here:
CHRA IS20 G25 G30 BB upgrade with GT30 9B turbine wheel and IS20 OE comp wheel
CHRA IS20 G25 G30 BB upgrade with IS38 wheels
CHRA IS20 G25 G30 BB upgrade with GT30 9B turbine wheel and IS20 OE comp wheel
Turbine shaft wheel G30 9B reverse 60x55mm
How is turbo turbine wheel made?
How is sealing grooves on turbo turbine wheel shaft machined?