gkn diff value?

[darren no 7]

hi all i have a tuscan challange gkn diff that i no longer need,it has a brand new 3.7 cwp that is shoot pined and a lsd with trick ramp angles that was out of a f3000 car,it gives unbelivable grip and cost a small fortune back in the tuscan days how much do you think i should put it up for thanks darren