Here is a used aluminum axle tube for the quick change rearend running the wide 5 hubs. It is 27 1/8" long.
Steel Quick Change 27 1/2" Axle Tube IMCA UMP WINTERS FRANKLAND CRA
Quick Change 27" Steel Axle Tube IMCA UMP WINTERS FRANKLAND BLACK DIAMOND
Winters Bare Aluminum Quick Change Rear End Center Section Ratrod Street Rod
Frankland Aluminum Quick Change Rear End Center Section Housing in Good Shape
Chromoly Heim Aluminum Quick Change Rear End Top Link Mount Spacer Kit
Winters 10” 8 Rib Left Side Aluminum Quick Change Bell Thermal Coated 12080