Recommened Removable Mud Flap System for a 2-1/2" Hitch Receiver  

Essentially the #LG-196308 and the #LC196308 are identical. I'd go with the lower priced of the two since neither is a better choice than the other.

The RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide #RM-4400 mount to the removable accessory. This can be a ball mount like you referenced, a bike rack, cargo carrier, or any other accessory. If attached to an…

When you install the RockTamers part #ERT00108 you will want the flaps to hang 3-4 inches from the ground for proper ground clearance. You would want to take this measurement with the truck loaded and then use the pre-cut lines as a guide for making…

According to Roadmaster the RoadWing Removable, Expandable Mud Flap System #RM-4400-102 requires at least 2" of space on the ball mount shank. Since this is the case and you have less than enough space I recommend installing custom mud flaps…

The Rock Tamers Heavy-Duty, Adjustable Mud Flap System for 2" Hitches #ERT00108 is designed for 2" hitches and simply requires that you have 1" of clearance space between the lip on your ball mount and the lip on the trailer hitch…

The recommended space between tires on a tandem or triple axle trailer is around 4". If you were to replace ST205/75R15 tires with ST235/75R15 like the Taskmaster Radial Off-Road Trailer Tire part #TA45RR then you'd lose around .9"…

Since the ball mount you're using features a 2" shank you will need to go with the Rock Tamers Heavy-Duty Mud Flap System for 2" Hitches #ERT00108. The larger 2-1/2" hitch receiver on your truck won't cause any fit issues with…

A set of Rock Tamers like the part #ERT00108 for a 2 inch hitch or part #ERT00110 for if you have a 2-1/2 inch hitch are going to be your best option to protect your 2019 Grand Design Momentum from rocks as you are travelling. These are really wide…

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.