Evidently this is possible- turning a jdm passenger seat (our driver side) into a height adjustable seat like we have as oe. Requires swapping some of the hardware from the oe (US) drivers seat to the jdm seat. Basically you'd end up w/ both passenger and driver side being adj.
My wife is on the shorter side, I'm the opposite- so height adj is definitely handy (especially as this is her daily driver )
Anyone do this?