Make sure the supplier supports complete rebuilds: yokes, U-joints, slip assemblies, center bearings, and flanges

https://list-wiki.win/index.php/Selecting_a_Custom_Driveline_Shop:_Assessment,_Balance,_Custom_U_Bolts,_and_Repair_Considerations_for_Work_Trucks

Guarantee the supplier supports complete rebuilds: yokes, U-joints, slip assemblies, center bearings, and flanges, with access to OEM-equivalent or upgraded parts for severe-duty environments.