FS: 4.10 LSD differential

[gotEdirty?]

LSD 4.10 diff with 150k onit
Still in car
Just wanna try out a 3.73.
This would be good for a track or drifter
Located in Seattle WA
Possible shipping
If you have a 3.73 LSD possible trade...?
Asking 250

[NomadE30]

Medium diff or small diff? If you do not know what car is it in?

I have a 3.73 LSD that I would be willing to trade but it needs a back cover, medium case.

[gotEdirty?]

It's a 1991 318is.