2-5/16” ball
Reese Ultra Frame Weight Distribution Trunnion Bar Kit - 15,000 lbs GTW, 1,500 lbs TW Part No 66131
Reese Friction Sway Control Part No 83660
Weight Distribution Shank 2”, 14,000 lbs. Capacity, 11 Inch Length Part No 3344
2-1/2” hitch adaptor