300zx LSD from a N/A

hey guys i got a 1990 LSD rearend outta a 300zx that was N/A
its got 4:10 gears in it and hear its a great mod for a 240… but i dont have time to do this as my 240 is my everyday driver…
best offer takes it!!!

Do you by any chance know how much do the output flange/spline cost ? I am very interested but would like to know before deciding to take the lsd from you .
let me know

im sorry but have no clue at all :?