1. Trailer Parts
2. Trailer Suspension
3. Trailer Suspension Parts

Hey Jason, so we know that your 2020 Grand Design Solitude 390RK does have 8k axles so in terms of capacity the leaf spring part #e89FV that you referenced would work but we don't have a way to verify the length of your current springs…

Hello Stephen. The Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shocks #RM-2460-2580 will work great on your 2024 Brinkley Z3110 5th wheel since it has 3" diameter axles. The Comfort Ride kit will make huge improvements in…

The determine the correct replacement leaf spring on your 2021 Coachmen 259FKDS you'll need to lift your trailer frame so the spring is hanging freely and then measure from center-eye to center-eye, then for the equalizer you need to…

Hello Brian; the 3/8" difference isn't enough to matter so you can use the #e89FV as a replacement. We do have the U-Bolt Kit for Mounting 5,200-lb to 7,000-lb Round Trailer Axles #APUBR-8 for 3" diameter axles. This has…

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.

Between the 7K #RM-2460-2570 and 8K #RM-2460-2580 Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shocks I recommend going with the 7K for your 2018 Vilano 5th wheel. It will give you the best ride possible since it's designed to work…

Thanks for the pictures! Based on the weight of your 2008 Keystone Cougar 5th Wheel, you will want the item #LG-1 landing gear set. You are going to want to measure to be sure this is the right size for you. The two things you will want to measure…

We have lift kits for trailer that easily add 2 inches to the height of the trailer. For that you'd want the part #RR23QX and you'd be set. I attached a picture that shows how it installs to give you an idea. This would be the…

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye…

Since both the 7k Roadmaster Comfort Ride system #RM-2460-2570 and the 8k version part #RM-2460-2580 are designed for 3 inch axles you can use either and in your case the 8k version would be perfectly compatible and give you a little more…

Trailer manufacturers don't usually keep a record of parts like these that they install at the factory, so I cannot be sure as to the exact length of the shackle strap that would have come originally on your trailer. With this in mind, a…

Sorry for any confusion that may have arose, but what you want is the U-Bolt Kit for Mounting 8,000-lb, Round Trailer Axles #APUBR-35. These are designed for 3 inch diameter, 8,000 lb axles and are compatible with the Roadmaster Comfort Ride Leaf…

Hey Jason, so we know that your 2020 Grand Design Solitude 390RK does have 8k axles so in terms of capacity the leaf spring part #e89FV that you referenced would work but we don't have a way to verify the length of your current…

Hello Stephen. The Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shocks #RM-2460-2580 will work great on your 2024 Brinkley Z3110 5th wheel since it has 3" diameter axles. The Comfort Ride kit will make huge improvements in…

The determine the correct replacement leaf spring on your 2021 Coachmen 259FKDS you'll need to lift your trailer frame so the spring is hanging freely and then measure from center-eye to center-eye, then for the equalizer you need…

Hello Brian; the 3/8" difference isn't enough to matter so you can use the #e89FV as a replacement. We do have the U-Bolt Kit for Mounting 5,200-lb to 7,000-lb Round Trailer Axles #APUBR-8 for 3" diameter axles.…

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.

Between the 7K #RM-2460-2570 and 8K #RM-2460-2580 Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shocks I recommend going with the 7K for your 2018 Vilano 5th wheel. It will give you the best ride possible since it's designed to…

Thanks for the pictures! Based on the weight of your 2008 Keystone Cougar 5th Wheel, you will want the item #LG-1 landing gear set. You are going to want to measure to be sure this is the right size for you. The two things you will want to measure…

We have lift kits for trailer that easily add 2 inches to the height of the trailer. For that you'd want the part #RR23QX and you'd be set. I attached a picture that shows how it installs to give you an idea. This would be…

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8"…

Since both the 7k Roadmaster Comfort Ride system #RM-2460-2570 and the 8k version part #RM-2460-2580 are designed for 3 inch axles you can use either and in your case the 8k version would be perfectly compatible and give you a little more…

Trailer manufacturers don't usually keep a record of parts like these that they install at the factory, so I cannot be sure as to the exact length of the shackle strap that would have come originally on your trailer. With this in mind,…

Sorry for any confusion that may have arose, but what you want is the U-Bolt Kit for Mounting 8,000-lb, Round Trailer Axles #APUBR-35. These are designed for 3 inch diameter, 8,000 lb axles and are compatible with the Roadmaster Comfort Ride Leaf…