i have for sale is the rear from my 86' z28. its got 3.73 gears. and eaton gov. lock diff. 28 spline Superior Axle's new backing plates. drums break hard wear new drum cylinders. new S.S. break lines on the axels. and come with a new s.s. break line from the proporsin valve to the rear with a s.s. earls line. it has around 1500 miles on it. $650 . pick up only in NJ. im in bayonne, nj