i have for sale is a 7.5 rear with eaton gov. loc. diff. with 3.73's. 28 spline superior axle's. backing plates where bought new. drums, shoes and hardwear were all changed. it has new wheel cylinders. s.s. brake lines on the housing and an earls t-block. and also comes with a s.s. line that goes from the distrubtion block to the rear. this is for pick up only asking $650. or performance parts for a 2004 ford mustang mach1. i.e. ford racing gears 8.8' 4.10's.. 8.8' eaton 31 spline posi. moser 31 spline axels. jlt true ram air intake in blue.