Please verify that this will work for your application. Good used 28 spline eaton locker/gov lok posi and 3.73 gears.  good posi with useable bearings and races, or replace both if you want. nice wear pattern on the gears. internals are in great shape. This Limited Slip is For mid 88 and newer GM 7.5, 7.6, 7 5/8 ten bolt rearends with 28 spline axles. will be cleaned before shipped. feel free to ask any questions