That 180sx wheel was also on the S14s in Japan... and sold as an option on S14s IN THE USA... (you can order them from courtesy parts but they're ~$650)
also they were used on the R33 Skylines AND as an option on the European Maximas from the same era.
I have one that came out of a 95 JDM S14:
*I'm currently looking to get the leather repaired since it's fairly warn.
here's a picture of it in an S14:
and just because no one has posted it yet, S13 leather steering wheel:
Though my personal favorite is the R34 Steering wheel which is a 3 spoke version of the "kouki 180sx" wheel with a GT-R logo
the non GTR version is the same but with Nissan embossed in the leather instead of the emblem.