The ball hole on the Valley Stealth Trailer Hitch Vertical Ball Mount, part # V76452, is 1 inch in diameter, so you would need a hitch ball with a 1 inch diameter shank. view full answer...
I went out to the warehouse and measured a Valley Stealth Trailer Hitch Vertical Ball Mount, # V76452. From the bottom of the ball mount to the top of the portion with the rise is 4-3/16 inches. The distance from the bottom up to the center of the hitch pin hole is 2-1/8 inches. And for reference, the distance from the center of the hitch pin hole out to the center of the ball hole is 9-3/4 inches. view full answer...