WTB: 2.93 LSD diff (Los Angeles or Orange County) Or trade for my 3.73 LSD

[Zesty Bonanza]

I'm looking for a 2.93 (or 3.07, 3.15, or 3.25) LSD medium case for my e30.
I'll also have my 3.73 LSD for sale or trade.
Located in LA and sometimes I'm in OC.