Does anyone know of a dog ring-engagement gear set for the NX2k transaxle (case #RS5F32V)?

I've done a bit of preliminary research and found that a couple companies (Quaife, Hollinger, GReddy, HKS-just a Hollinger) make 5 & 6 spd, H pattern & sequential - but they're for Skylines & Pulsar GTiR (R33 transaxle case?)

I'm not up on my international Nissan nomenclature - that might help to find something adaptable...

Thanks,

Robin