Here is a used aluminum axle tube for the quick change rearend running the wide 5 hubs. It is 28 1/4" long.
28.5” Floater Solid Axle 31 Spline Wide 5 Quick Change 28-1/2 UMP IMCA Ford 9
QuarterMaster Set #30A Ultra Duty Quick Change 7.14-8.44 Gears 10 Spline
Clincher HELICUT Set #13 Quick Change 5.14-6.07 Rear End Gears 10 Spline & Case
Quick Change Gears Set 2 27/28 Tooth 4.28/5.04 Ratio WINTERS QUARTERMASTER #3
Quick Change Gears Set 2 27/28 Tooth 4.28/5.04 Ratio Winters Quarter Master
Set 2 Quick Change Gears 27/28 Tooth 4.28/5.04 Ratio Winters Doug Nash