gholsie, looks like you run a great Z site. I'm a Datsun guy too (have owned 6, 510's). 
The 5x150 LC pattern is probably less common than the Datsun 4x4.5 bolt pattern and so there is a serious lack of choices.

The 5x150 LC pattern is probably less common than the Datsun 4x4.5 bolt pattern and so there is a serious lack of choices.