Compressor wheel & turbine wheel Balanced by SCHENCK already. CHRA (complete core) is recommend to be balanced again when you assemble them all. Bolt-On Replacement for TOYOTA 3S-GTE ST165.
This upgrade kit goes with 6+6 billet wheel with smaller nose and larger blade that would get more air flow even it fit original cover. 9 blade high flow turbine wheel will reduce back pressure at top end that will allow more horsepower. 360Degree Solid performance thrust bearing kit with larger thrust bearing, collar and spacer will help turbo to support much more boost. 6+6 2618 performance ...
