Those aluminum ones will work, just so-so reviews though. The B&W like I said is only rated to 7500lbs with the 2" ball, which is unfortunate as I really think it is a slick system and would be my choice. Instead just ordered the curt adjustable, which is rated at 10k for the 2".
2018 Max - Ultrablue flake/Gray - 4400 lbs water (720s midship), 750 lbs lead somewhere