What Direction Should Suspension Shackles Face Up or Down  

Measuring the distance from the center of one eye on your original springs to the center of the other eye will give you a general idea of the length of the new springs you need. Your springs may measure slightly longer due to wear so you will want to…

I spoke with my contact at Furrion and the barrel connector size of the Furrion RV Observation Camera System part #FOS05TASF is 2.5 mm x 5.5 mm.

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.

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

Thanks for the picture of your build sheet! It does look like the etrailer 6-Leaf Double-Eye Spring item #e94SR you purchased is the correct replacement spring. Feel free to email me back a picture of your suspension but unless you are flipping your…

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

Yes, going from a 4 leaf to a 6 leaf spring would add slightly to your ride height. For example, if the current 4 leaf spring has 3/8" thick leaves, and you go to a 6 leaf spring with 3/8" thick leaves, you would be adding 3/4" of…

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

The Universal Group 6-Leaf Double-Eye Spring #e64SR referenced in your question is designed for 7,000 pound axles like what you have on your trailer. Most likely this will work great as a replacement, however I cannot be sure that it is a direct…