Exedy twin disc MM042SR for 4G63 6 bolt FWD, has 200 miles of break in on it, customer wanted something less aggressive after driving it. may be altered for awd but you will have to contact Exedy to see.

Sells for $1500-1900, yours for $450 OBO!!!

Link to some more info:
Exedy Hyper Twin Clutch Kit Honda Civic Si 99-00