Validate they can balance put together multi-section drivelines with provider bearings set up
https://elliotthzlt937.lowescouponn.com/selecting-a-custom-driveline-shop-inspection-balance-custom-u-bolts-and-repair-considerations-for-work-trucks
Confirm they can balance assembled multi-section drivelines with carrier bearings installed, imitating real-world operation for smoother outcomes at highway speeds.