RoadActive Suspension Custom Leaf Spring Enhancement Kit - Heavy Duty
Item # RAS54FR
Our Price: $589.00
Confirmed to Fit
2005 GMC Sierra
1500 HD
1500 LD
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2005 GMC Sierra - RoadActive Suspension Custom Leaf Spring Enhancement Kit - Heavy Duty
- Leaf Springs
- Rear Axle Suspension Enhancement
- Heavy Duty
- RAS
3,000-lb Capacity. Convert your GMC Sierra's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Features:
- Heavy-duty custom kit converts your vehicle's factory leaf springs into a mechanically active suspension system
- Actively strengthens leaf springs for improved ride quality with or without a load
- All-in-one suspension system improves stability, handling, and control
- Eliminates axle wrap, wheel hop, and bottoming out
- Reduces dangerous sway and body roll while cornering
- Keeps your ride level when towing or hauling a heavy load
- Improves traction while breaking and accelerating
- Variable-rated coil tension springs automatically adjust to your vehicle's load
- Activate immediately to support the extra weight
- Disengage when unloaded, allowing your leaf springs to perform as intended
- Customizable coil springs can be adjusted during installation to accommodate your towing or hauling needs
- Independently adjustable for side-to-side leveling of off-center loads
- Helps extend the life of leaf springs, shock absorbers, shackles, and even tires
- Durable, epoxy e-coated steel construction
- Corrosion-resistant brackets on the ends of each unit have a salt spray rating of more than 800 hours
- Easy, bolt-on installation - no drilling, cutting, or welding required
- Unit secures under the leaf spring and around the factory U-bolts
- Fully assembled kit and hardware are included
- Maintenance-free - adjustments and monitoring aren't needed once installed
- Made in the USA
Specs:
- Weight capacity: 3,000 lbs
- RoadActive Suspension will not increase your vehicle's weight-carrying capacity
- 5-Year warranty
- 30-Day money-back guarantee
All-In-One Suspension System
When towing or hauling a heavy load, you may encounter a number of problems that can make your driving experience difficult or dangerous, such as sway, body roll, or bottoming out. When your vehicle is weighted down, your factory leaf springs can't counteract these problems to the extent that they are supposed to. The weight will overpower the leaf springs and cause them to twist or flatten out. When that happens, they cannot support, level, or stabilize your vehicle effectively. Additionally, because your factory leaf springs are passive, they won't begin to tackle problems such as sway until those problems have already started.
RoadActive Suspension (RAS) kits enhance those passive leaf springs by converting them into a mechanically active, all-in-one suspension system. RAS kits have variable-rated coil tension springs that automatically adjust to your heavy load. Other suspension systems only solve a few problems and usually at the expense of other improvements your factory leaf springs may need. RAS, on the other hand, is a unique kit that provides everything you want in a suspension system without any trade-offs. It eliminates bottoming out like air springs, reduces sway and body roll like sway bars, keeps your ride level like helper springs, and improves traction and braking control like traction bars. This improves your vehicle's stability, handling, and control while you are towing or hauling, as well as when your vehicle is unloaded. RAS also makes your overall driving and towing experience safer and more comfortable, which greatly lessens driver fatigue.
How RAS Works
Each RAS unit has a powerful variable-rated coil tension spring that converts your passive leaf spring into a mechanically-active system. Once your vehicle is loaded, the tension springs immediately activate to absorb and support the weight. This allows your leaf springs to maintain their bowed position and keeps them from flattening out or flipping over, which greatly hinders their ability to bear a heavy load. The tension springs are variable-rated, which means that the heavier your load is, the more assistance they provide to your leaf springs. Because of this design, RAS reacts instantaneously, whereas hydraulics, air springs, and other suspension systems take time to react. And unlike your factory leaf springs, RAS stops sway and sag before they even start to happen. Additionally, when your vehicle is unloaded, the tension springs disengage, allowing your leaf springs to perform as intended without hardening your ride. RAS won't hinder your leaf springs' movement, nor will it cause any friction between any of the brackets.
Eliminates Axle Wrap and Wheel Hop
When under a heavy load, leaf springs are especially susceptible to axle wrap, which can cause wheel hop. Wheel hop is when the tires lose their grip on the road, causing a jarring, up-and-down movement. Axle wrap occurs when the circular motion of the tires cause the leaf springs to twist or rotate. If the leaf springs twist far enough, wheel hop can occur. RAS stabilizes your leaf springs by absorbing the force of the load they're trying to support. This eliminates axle wrap and wheel hop, as well as prevents your vehicle from bottoming out. Because of this, less strain is put on your vehicle. And by reducing some of this wear and tear, RAS helps extend the life of your leaf springs, shock absorbers, shackles, and even tires.
Reduces Sway and Body Roll
When driving along a curve while towing or hauling a heavy load, the back end of your vehicle or trailer can start to shift with that weight. If your factory leaf springs have flattened or twisted under this load, they won't be able to prevent it from shifting. Because of this, your trailer will sway away from your vehicle. This makes driving challenging and dangerous, as it increases the risk of body roll, which is when your vehicle drastically leans to one side. This can often cause you to completely lose control of your vehicle. Body roll is especially prevalent with multi-passenger vans and vehicles towing long campers, trailers, or boats. RAS provides a much safer ride by reinforcing your factory leaf springs and stabilizing your load. This helps prevent sway from occurring and reduces the chance of body roll while cornering, turning, and swerving. RAS also lessens the rocking motion that happens during windy conditions or when a semi passes by on the road.
Levels Your Ride and Improves Traction
When your vehicle is overloaded, the bulk of the weight transfers to the rear axle. Your factory leaf springs then become overwhelmed by this weight, as they are not strong enough to support it. This causes the back end of your vehicle to sag and the front end to rise, which means that the front tires have lost some of the grip they need with the road. In addition to loss of traction, it can also cause poor headlight aim, unintentional swerving, and an extremely bumpy and uncomfortable ride. RAS bolsters your factory leaf springs and enables them to provide support for your load without compromising ride quality or comfort. This keeps your ride level from front to back whether you are hauling a load in the bed or towing a boat, trailer, or camper. RAS also ensures that your tires have the traction they require while braking and accelerating, which improves the overall driving experience.
Customizable Coil Tension Springs
RAS is also customizable. During installation, the coil tension springs can be adjusted to 2 different tension settings or anywhere in between for improved road handling and support. To do this, rotate the springs while keeping the threaded rod still. As you turn the spring, use one of the 2 included spacers as a gauge to measure the widening gaps between the coils. In order for the RAS units to work as intended, you must tension the coils to a minimum of 25 percent with the 1mm white spacer and no more than 40 percent with the 2mm spacer. The springs can also be independently adjusted to compensate for off-center loads such as a handicap lift.
Easy, Bolt-On Installation
This custom-fit kit comes fully assembled and is easy to install. Each RAS unit simply bolts onto your factory leaf spring with the included hardware, and drilling, welding, and cutting aren't required. First, position the eye hook bracket so that it wraps around the top of the factory leaf spring eye. Then the axle bracket secures under the leaf spring and around the factory U-bolts on the other side of the leaf spring pack. Once the maintenance-free RAS units are fully installed, you won't need to monitor them as you would with air springs.
Corrosion-Resistant Steel Construction
RAS is extremely durable and corrosion-resistant. The units are constructed of high-grade alloy steel, and they have an epoxy e-coat on the coil springs to provide extreme corrosion resistance. The brackets on the ends of each unit resist the effects of water and other elements, and they have a salt spray rating of more than 800 hours.
4611-HD RAS Custom HD Active Suspension System for OEM Leaf Springs - Rear Axle
Installation Details
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
- Wrong item was ordered
- etrailer mistake
- Did not fit
Customer Reviews
RoadActive Suspension Custom Leaf Spring Enhancement Kit - Heavy Duty - RAS54FR
Average Customer Rating: 4.7 out of 5 stars (84 Customer Reviews)
3,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.by: Rob 03/18/2024
Chevrolet Silverado
I have had this suspension upgrade on my last two Silverado trucks. I will not own a 1500 without installing one. Truck no longer squats under load and enhances ride stability. Installed myself in under an hour.
by: William 02/19/2024
The system was very easy to install. The enclosed picture directions partnered with the video was clear. The system eliminated the truck squat from pulling a trailer.
by: Deric03/26/2024
2015 Chevrolet Silverado 1500
Easy installation directions were easy to follow
by: Kerry12/07/2023
It helped while pulling the camper however not to the level I was wanting I ended converting to airbags and that has worked extremely well
by: Jeremy05/11/2023
To be honest I can’t tell any difference once the trailer is hooked up. I actually think I get more sag now then I did a year ago before I had it. It does being up the rear while unloaded which was positive for me from an aesthetic point of view. I almost thing I would need to pair them with a set of sumo springs or something similar also.
by: Charles 07/20/2023
Working fine no issues with it. easy install just the right amount of help for my application. In the past I’ve used air bags and they work great , my son mentioned these as an alternative so I thought I would try them out, they don’t offer the flexibility of adjusting to different conditions as much and as fast as air but for myself at this point I don’t need it .
by: Richard 07/27/2023
I am pleased with the ride and stability I received from the RAS system. I was a little apprehensive at first, but after a few miles, I could really tell the difference. I pull a travel trailer and drive about 600 hundred miles daily, so having a smooth ride makes it much easier. I would highly recommend these for anyone with a half-ton pickup and towing a heavy trailer.
by: Brian 10/06/2023
2001 Chevrolet Silverado
For sure beefed up the suspension on my 2001 Silverado 1500. Would purchase again.
by: Robert 09/28/2023
Had the RAS system installed, both sides, in approximately 2 hours. Took it for a test drive and was pleased with the results so far. I will be pulling the livestock trailer with calves in it this weekend so that will be the real test. A load that can move around while going down the road should test the system more than anything else.
by: Jimmy 07/27/2023
Received this part just a short few days after ordering and installation was fairly straightforward. You can do the install using only the enclosed instructions however I found the videos of the installs on both the eTrailer and RAS sites to be more helpful. It doesn't take all that long if you have the right tools (see video). I've read people commenting about a 15 minute job. I like to take my time and double check everything so it took me about an hour and half. Still not bad.
by: Kasey 12/30/2021
I like the product, but please be aware that it will raise the rear of your truck by 1-1.25 inches if you install this product. Just FYI, most trucks already have a 2-2.25 inch difference in front and rear height, so either you will have a 3+ inch rake to your truck, or you will need a leveling kit
Kasey
12/31/2022
It was corroding so severely that I removed it from my vehicle, and it is lying in the corner of the garage waiting for the next trip to the metal recyclingcenter
by: Michael 03/04/2024
Worked great easy to install
by: Jerry12/17/2023
2023 Chevrolet Silverado 1500
Everything you read, even from the maker says tbis removes the sag from towing. It does not! Honestly, a waste of almost $[XX] as the sag was exactly the same after install as before install and I bought the HD set.
by: Gary10/12/2022
Easy install and great customer service. 2021 Chevy 1500 diesel short bed. Thank you.
by: Scott G06/17/2023
2022 GMCSierra
Quick ship, easy install, 2022 GMC Sierra 1500 LTD, took all of 45 minutes.
Yet to test out how they will perform
by: Stacker09/20/2022
I would absolutely recommend these to anyone with a 1/2 ton truck or less. They work flawlessly and are very easy to install (I did them by myself in the driveway) I tow a 6K pound trailer and load an 800lb atv and all the gear to go with it in the back of the truck. Does it sag? absolutely. But nowhere near as bad as it would be without the RAS installed. If you are on the fence about getting these, I would take this review as a push over the edge to pull to that trigger.
by: Steven 06/02/2023
These are incredible! Easy to install and even at the max 20% tension the ride has not suffered at all. I forget they are there mkst times.
by: Marvin 07/18/2023
Well made product a snap to install believe product will deliver as promised
by: Earl 09/24/2022
Pretty impressed. It lifted my 1500HD about 2" and stiffen up rear. Have alot less porous hitting bumps. Bought HD springs and maxed it. Doesn't seem affect it unloaded. I tow 34' bumper pull trailer and does great!
by: Ron 12/15/2021
Chevrolet Silverado 1500
I've had the RAS for over a year now and am very pleased with it. I pull a 28' Airstream trailer with a GMC 1500. I have plenty of power but the 950 lb tongue weight was a little much for the leaf springs. I'm now able to level the truck and trailer and not put so much tension on the Equalizer Hitch. FYI, I've taken the rig over the scales and I haven't overloaded the rear axle, this was only added to give some extra support for the springs and eliminate the sag. Easy install. I would recommend this to anyone in the same situation I was in.
by: Linda 09/14/2022
Nissan Leaf
My husband said they were easy to install and give you the added suspension you need without added leaf springs
by: Jamie04/20/2022
Installation was easy. We set it up with the stiffest adjustment recommended. Raised the truck approximately 1 1/4". We pull a travel trailer weighing 7000-7500lbs. Also, installed the timbrens to help absorb some bounce when pulling the camper. Together, they seem to do a good job.
by: Mike10/07/2022
Not very impressed with the performance. Popping noise when going over speed bumps. sounds like spring or bracket shifting
by: Luke 12/12/2022
GMCSierra
Really helped my GMC Sierra 1500 with squat. Completely level with 9000k pound boat behind it.
by: Michael03/24/2022
This system is absolutely amazing my truck rides better than it ever has and now when I tow my cargo trailer my truck is level instead of sagging in the rear
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See what our Experts say about this RAS Vehicle Suspension
- Do You Recommend the Timbrens or Roadmaster Active Suspension for My 2021 Chevy Silverado 1500?As for comparing the Timbrens # TGMRCK15S to the Roadmaster Active Suspension Custom Leaf Spring Enhancement Kit # RAS54FR on your 2021 Chevy Silverado 1500 (4x4), the answer really depends on how much you tow or need suspension support for your Chevy. The Timbrens will do a great job for semi-regular towing or support, but if you are a regular tower I recommend going with the Roadmaster Active Suspension # RAS4611. The reason is because the force put on your Chevy's springs when towing,...
view full answer... - Will the RoadActive Leaf Springs # RAS4611 Affect the Unloaded Height of My 2021 Silverado 1500?No, the RoadActive Leaf Spring Enhancement Kit # RAS4611 will not affect the unloaded ride height on your 2021 Chevy Silverado 1500 4x4. This system only comes into play when the truck is loaded down; when weight is added to the back of the truck this kit automatically adjusts to keep your truck level and reduce body sway on turns and also enhance braking and traction. If you need a heavier enhancement kit for heavier loads (3,000 pounds compared to the 2,000 pound maximum of the # RAS4611),...
view full answer... - Best Suspension Enhancement System for a 2022 GMC Sierra 1500 With Minimal Effect While Not TowingI have something that will work great for you on your 2022 GMC Sierra 1500. The suspension enhancement I recommend for you to help while you are towing but not have a negative effect when you are not towing is the RoadActive Suspension Custom Leaf Spring Enhancement Kit # RAS54FR. The RoadActive Suspension Custom Leaf Spring Enhancement Kit will not affect the unloaded ride height or ride quality. This system only comes into play when the truck is loaded down; when weight is added to the...
view full answer... - Suspension Enhancement for 2021 GMC Sierra 1500 w/ Adaptive Ride ControlI have a great suspension enhancement option for your 2021 GMC Sierra 1500 with adaptive ride control but the Firestone Ride-Rite Air Helper Springs item # F2609 you referenced cannot be used on models with Adaptive Ride Control. Instead I recommend the RoadActive Suspension Custom Leaf Spring Enhancement Kit item # RAS54FR. This system offers ride support when you are towing and hauling a heavy load. It also improves handling unlike an air bag system. I have linked an installation video.
view full answer... - Suspension Enhancement Recommendation for 2018 Chevy Silverado 1500 Towing Travel TrailerFor what you are looking for the best suspension enhancement kit for your 2018 Chevy Silverado 1500 would be the Roadactive part # RAS54FR which is easy to install, gives you adjustable support, and unlike other options improves the ride quality instead of making it harsher and also improves handling and stability loaded and unloaded. Its by far the best option.
view full answer... - Suspension Enhancement Recommendation for 2021 GMC Sierra 1500 Towing Fifth WheelTo reduce suspension squat on your 2021 GMC Sierra 1500 we have the RoadActive Suspension kit part # RAS54FR which would be your best option. This is adjustable in support, is easily installed, improves handling and unlike other options actually improves ride quality when the truck is loaded and unloaded.
view full answer... - Will RAS Leaf Spring Enhancement RAS54FR Eliminate Bouncing When Towing Camper W/ 2021 GMC Sierra?Yes the RoadActive Suspension Custom Leaf Spring Enhancement Kit - Heavy Duty # RAS54FR will do a great job at eliminating porpoising/bouncing when towing your camper with your new 2021 GMC Sierra 1500. The # RAS54FR does a great job of eliminating porposing, body roll, and sway while towing or unloaded, and also keeps your truck level when towing. With that said typically adding making sure your trailer is loaded properly with at least 10-15% tongue weight will correct this issue, but...
view full answer... - Best Suspension Enhancement for 2020 Chevy Silverado 1500 Towing TrailerTimbrens on half ton trucks are notoriously harsh unfortunately. I would recommend replacing them with a RAS system like the part # RAS54FR to give you the support you are wanting for the suspension of your 2020 Chevy Silverado 1500 without making the ride quality harsh.
view full answer... - Is RoadActive Suspension Standard 2mm Setting Equivalent to HD 1mm Setting for 2021 Silverado 1500Based on everything you have told me, you will be better off with the RoadActive Suspension HD # RAS54FR. You're already contemplating running the standard # RAS4611 at 2mm all the time. It also sounds like you're willing to adjust it for these trips where you're fully loaded, and you're definitely experiencing a lot of sag with all of that weight. Running the HD at 1mm will in fact be comparable to the 2mm setting on the standard. By choosing the HD you will have a lot of additional...
view full answer...
- Recommended RoadActive Suspension Kit For 2020 Chevrolet Silverado 1500 Towing Horse TrailerFor your 2020 Chevrolet Silverado 1500 I recommend the RoadActive Suspension Custom Leaf Spring Enhancement Kit # RAS54FR which has a 3000lb load leveling capacity, and will offer a much more comfortable ride with the trailer connected or unconnected, and can be fine tuned to the exact support you need. Since the # RAS54FR actually improves your suspension, and we have had customers mention that it actually improves the ride unloaded, I would go with the heavy duty 3000lb rated system...
view full answer... - Can RAS Kit Install on 2014 GMC Sierra 1500 with Air Lift Air Bag KitIt would be possible to install a Ras kit like the part # RAS54FR on your 2014 GMC Sierra 1500 that has the Air Lift bags now but I would anticipate that you are probably over the towing capacity of your truck if you need additional support beyond the bags and the weight distribution.
view full answer... - Will the RAS Suspension Kit Fit a Lifted 2019 Chevy Silverado 1500The RoadActive Suspension Custom Leaf Spring Enhancement Kit part # RAS4611 for 2K or part # RAS54FR for 3K is a fit for a 2019 Chevrolet Silverado 1500 and they are designed to work with the factory leaf springs. Therefore, you will need to have these in order for the kit to be compatible. There are tons of lift kits on the market and not all use the same components to lift the truck so it will take some work on your part to confirm compatibility with aftermarket components as the suspension...
view full answer... - Recommended RAS Spring Enhancement Kit for a 2022 GMC Sierra 1500 Yes, you will because as you said the RoadActive Suspension Custom Leaf Spring Enhancement Kit item # RAS54FR won't let your rear suspension flex as much when your trailer is hooked up. This kit is confirmed to fit your 4WD 2022 GMC Sierra 1500.
view full answer... - Rear Axle Suspension Enhancement For A 2018 Chevrolet Silverado 1500When adding a rear axle suspension Enhancement on your 2018 Chevrolet Silverado 1500 The RoadActive Suspension Custom Leaf Spring Enhancement Kit - Heavy Duty # RAS54FR will work with your vehicle. This system has a 3,000 pound capacity, which actively strengthens your leaf springs for improved right quality with or without a load. Using this system will not increase your vehicles weight-carrying capacity. This all-in-one suspension system helps improve stability, handling, and control....
view full answer... - Will The RoadActive Suspension Make My Ride Rough When The Truck Is UnloadedThe RoadActive Suspension Custom Leaf Spring Enhancement Kit # RAS54FR is designed so that the factory ride will not be affected when the vehicle is unloaded. The built in tension springs will engage as soon as the vehicle is loaded, providing support to the factory spring. This will help prevent sway from occurring and help to level your ride. The tension springs are designed so that they will disengage when the vehicle is unloaded, allowing the factory leaf springs to function exactly...
view full answer... - Will SumoSprings Solo Helper Springs SS45FR Fit 2020 Chevrolet Silverado 1500 W/ 6 Lift?It comes down to if your 2020 Chevrolet Silverado 1500 has a suspension or body lift. If your truck has a body lift the suspension will still be the same distance from the frame and the SumoSprings Solo Custom Helper Springs - Rear Axle # SS45FR will still fit the same. If your truck has a suspension lift then the distance between the frame and suspension will be too great for the # SS45FR and you will need to go with a different style of suspension enhancement. As long as the lift you...
view full answer... - Suspension Enhancement for 2021 GMC Sierra 1500 with Adaptive Ride ControlWe have great suspension enhancement options for your 2021 GMC Sierra 1500 with adaptive ride control but all of the air bag kits we offer cannot be used on models with ARC. Instead I would highly recommend the RoadActive Suspension Kit part # RAS54FR as it does work with the ARC, provides the same support as air bags but also improves handing and ride quality whereas the air bags do not do that.
view full answer... - Recommended Rear Suspension Enhancement For 2010 Chevrolet Silverado 1500 W/ 2 LiftI have a different option for you, but the SumoSprings # SSR-205-54 you were looking at is not recommended to be used with spacers. Since your 2010 Chevrolet Silverado 1500 has been lifted 2" I recommend going with the RoadActive Suspension Custom Leaf Spring Enhancement Kit # RAS54FR instead as they will not be effected by your lift, and will give you up to 3000lbs of load leveling support. This option is unique in the sense that it not only supports your rear suspension, but also improves...
view full answer... - Best Suspension Enhancement for 2000 Chevy Silverado 1500The best suspension enhancement kit we have to get rid of the sag you are experiencing when towing is the RoadActive Suspension kit part # RAS54FR which also improves handling and ride quality whereas other options will make the ride quality harsher. If your shocks are bad you should replace them as well.
view full answer... - Best Suspension Enhancement for 2022 GMC Sierra 1500The best suspension enhancement we offer for your 2022 GMC Sierra 1500 is the RoadActive Suspension kit part # RAS54FR which gives you adjustable support, an easy install, and improved ride quality and handling. Most kits are harder to install, make the ride quality rougher and do not improve handling which is why the RAS system is so unique and a great option.
view full answer... - Will SumoSprings Help Sag for 2021 GMC Sierra 1500 Limited Without Affecting Unloaded RideYes! I recommend using the SumoSprings Solo Custom Helper Springs # SS45FR for leveling out your 2022 GMC Sierra 1500 Limited when hauling a load. The great thing about this setup is that when you don't have anything loaded in your truck bed this system won't affect the ride quality. This kit is compatible with your truck whether it is a 2WD or 4WD plus it fits with an in-bed hitch if you have one or ever choose to add one. Please note that this won't fit if you have the Adaptive Ride...
view full answer... - What is the Difference Between The RoadActive Suspension Kits For a 2021 Chevrolet Silverado 1500? For your 2021 Chevrolet Silverado 1500 4x4 you will need either the 2,000LB # RAS4611 or 3,000LB # RAS54FR RoadActive Suspension Custom Leaf Spring Enhancement Kit. The kits you found do not fit your particular model year. The only difference is going to be the capacity of the springs with these kits. The 3,000lb HD kit will provide a stiffer ride if that is what you require. Do remember these kits are adjustable so you will be able to adjust the engagement for a stiffer or softer ride....
view full answer... - Recommended Rear Suspension Upgrade For A 2023 GMC 1500 Denali With Adaptive Ride ControlIf you need to beef up the rear suspension on your 2023 GMC Sierra Denali with adaptive ride control, I recommend the Roadactive # RAS54FR. We have confirmed with the folks at RAS that these will work on trucks with adaptive ride control. I really like these Roadactive suspension kits. You will get immediate improvements in handling and it will help to level your ride when towing. They are very easy to install as well. I have linked our install and review videos below if you want to take...
view full answer... - Recommended Suspension Enhancement For a 2020 Chevy Silverado 1500A suspension enhancement like the RoadActive Suspension # RAS54FR would do a great job of helping reduce the sag you're experiencing and reduce sway. The RAS helps add an additional layer of support to your suspension that will also help prolong the life of those components and also make the rear end a bit more stable since it's going to help take some of the strain off the rear axle. Since these have a 1500-lbs capacity, they'll do great job on your Prowler with around 800-lbs in tongue...
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Used Items Available
Condition: Installed
Notes: Item has been installed/test fit.
Info for this part was:
Installed by:
Jeff D
Installed by:
Adam E
Expert Research:
Jameson C
Video Edited:
Jacob T
Video Edited:
Chris R
Updated by:
Wilson B
Updated by:
Noah M
Edited by:
Daron K
Video by:
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Written by:
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Test Fit:
Kevin C
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Katrina B.
5/16/2023
So, I have looked a bit more into this, and have found that these are not the best for sag, they are designed to be best for handling and sway. You will need to make sure that you are on the right setting. You can check that out by looking at page 4 of the installation instructions. If you need something to assist with sag more than sway or handling, you can definitely use some SumoSprings, like part # SS45FR, along with the RoadActive, part # RAS54FR. They will both fit and will work well to reduce the sagging while loaded. You will want to start with the lowest setting on the RAS system and go up from there, depending on your comfort.