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I have attached a drawing from the installation instructions for the rail kit part #C16430-204 you can check out. As you can see in the attached drawing I noted the carriage bolts and where they are located on the rails when installing. Please note…

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…

Hey Michael, The Big Truck Big RV Tongue Weight Scale #BTBRV44FR unfortunately can not attach to the bottom of the trailer jack like the etrailer tongue weight scale #e99044 does. The footplate for this scale is held in with a screw so that it…

Hey Scott! Yes, the ThermaHeat RV Holding Tank or Step Heater Pad w/ Thermostat item #277-000164 will turn on at temps lower than 45 degrees. It has been tested and will work with temperatures as low as -32 degrees. I have linked an installation…

Hey there Kyle; the bag that came with your Big Truck Big RV Tongue Weight Scale #BTBRV44FR is available separately. The Big Truck Big RV Accessories Bag #BTBRV002 is what you're looking for.

Hi Don; a scale like the BTBRV Tongue Weight Scale #BTBRV44FR can help you with this. When loading a trailer you want the tongue weight of your setup to be between 10% and 15% of your total trailer weight. This will give you the best ride quality and…

Hey Lynn, we generally don't recommend running more than one set of suspension enhancement on a vehicle because the performance of the two kits together has never been tested and most likely if you need two you are overloading things. I would…

Yes, the Draw-Tite Front Mount Trailer Hitch Receiver part #65074 is listed as a fit for a 2019 Toyota 4Runner TRD Off Road Premium and it should not interfere with the kinetic dynamic suspension system (KDSS). The Draw-Tite Front Mount Trailer Hitch…

I'll give you a number of different dimensions for the hole spacing as I'm not entirely sure what you were specifically looking for on the 45" Long Side-Door Bar Lock Assembly #PLR3057-45. From the top mounting hole to the bottom…

Air bags like the #AL88250 are designed to fit a suspension at stock height. These and similar air bags will not fit on your lowered 2006 Silverado 1500HD. The best way to get extra support on your truck would be to install the SumoSprings Solo…

The vacuum cups of the SeaSucker roof rack part #298-SX6000B that you referenced are 6 inches in diameter so based on the picture you sent in the ridges would interfere with this kit installing. So you'd have to go with a roof rack that uses a…

The main difference between a Class III hitch and a Class IV hitch is the capacities they set for the hitches. Class III hitches are rated for up to 6,000 lbs GTW with 600 lbs TW whereas a Class IV is rated for up to 12,000 lbs GTW and 1,000 TW. For…