up for sale, has under 30 miles on it.i took the car apart and decided to go with a spool so if anyone wants this it will be coming out this coming weekend... its a Detroit unit by Eaton, 35 spline axles and has a 4.11 ring gear on it so i believe its a 4 series? it is the locker ONLY no gears included... 500+ new i believe im asking 200 or trade for a spool