WTB: 1.5way or 2way LSD

Classifieds
1

I’m looking for a 1.5way or 2way LSD for S13 Silvia.
Doesn’t matter if its used or BNIB.

2

I’ve got a buddy who wants to sell his. It’s almost new, driven for around 3000kms. Tomei Technical Trax, 2 way I believe, and he wants $550 for it.