Winters QC Rearend. Posi Lever/cable activated locker. Limited production. (Confirmed by winters by tag/serial #). Their story was an interesting one. 4.86 base r&p. freshened center section by Winters. 31 splined. New cable /and Lever. ( spare lever and locker/cam sleeve) 2 Rear covers. New axle tubes. Set up to center and total WMF to WMF total 60 in. New G N hubs with rotors and low friction ceramic bearings etc etc. New clamp/adjustable spring perches. Needs new tubes installed and double splined drive axles ordered. This unit is a speacial order /application. 2800$ /plus ride -or pick up. PM if you need more info. 662-542-0796/after 6pm. Or PM.