GMB 220-0021 Universal Joint Vehicle Specific Special Chrome-Molybdenum Alloy Steel for superior corrosion resistance Exact fit snap ring included Heavy Duty needle bearings for greater load capacity Multi-stage testing prior to assembly for maximum quality control 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