Heavy Duty needle bearings for greater load capacity and is constructed of Special Chrome-Molybdenum Alloy Steel for superior corrosion resistance. GMB Universal Joint has gone through Multi-stage testing prior to assembly to ensure maximum quality control. Exact fit snap ring included. Strap Kits and U-Bolt Kits for easy U-Joint installation, ball seat repair kits for double cardan yokes and other assorted driveshaft yokes available separately.