Verify products and parts used, such as DOM tubing, alloy yokes, sturdy U-joints
https://extra-wiki.win/index.php/Sturdy_Driveline_Rebuilds_and_Balancing:_A_Buyer%27s_Guide_to_Custom_Fabrication_and_Truck_Parts_Quality
Verify materials and elements used, such as DOM tubing, alloy yokes, sturdy U-joints, and slip splines ranked for your torque and RPM, with traceability to credible makers.