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Timbren Rear Suspension Enhancement System


4956 reviews

Our Price: $252.45


Product Specs:

Vehicle Suspension

Rear Axle Suspension Enhancement

Jounce-Style Springs

Extra Heavy Duty


8,600-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.

Video of Timbren Rear Suspension Enhancement System

Customer Satisfaction Score:

Customer Reviews

Timbren Rear Suspension Enhancement System - TGMRCK15S

Average Customer Rating:  4.7 out of 5 stars   (4956 Customer Reviews)

8,600-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.

by: Frank06/18/2020

This Rear Suspension Enhancement kit were so easy to install, I was almost sure I missed something.
They installed in less than an hour. I was able to place my floor jack under the ball mount to raise the rear end enough to remove the old mounts and simply install the new ones.
Hooked up my 28' rv to my Silverado 1500 and they worked as advertised. No front end sag and I feel safer towing it.
Customer service helped me find the right product I needed without dishing out a lot of cash!

While I have sold this vehicle since this review to my neighbor, she has told me she loves this product when she pulls her rv. I now have a 34 ton pick up and purchased a set for it. I am very satisfied with the Enhancers i purchased for it!
Frank R - 06/19/2021

by: Larry S.10/16/2016
2013 Chevrolet Silverado

From Mickey Mouse to Mighty Mouse in minutes. Pulling a 7700lb travel trailer with a 2013 Silverado w/ tow package and h/d cooling. Even with W/D hitch truck was bouncing uncomfortably. The Timbrens were an instant fix. Dips in the road are no longer a problem, and I think the sway control in the hitch seems to feel more solid as well. Unloaded ride is unchanged except for really major dips (and Texas roads have a few). If you are like me and take your truck to places your Mom would not recommend, a good underbody wash and glasses to catch any falling junk during the install are highly valued

Still a happy camper after a year, and rolling along comfortably. Towing time has increased and timbrens still smooth.
Larry S - 10/17/2017

by: Joe03/21/2021

I have a 2018 GMC Sierra 1500 pick up truck (elevation package) in which I added a 3.5 inch ROUGH COUNTRY KNUCKLE LIFT KIT with Front Struts. The rear distance between the bump stop's metal cup just under the frame and the the rear axle is 8.25 inches with an empty truck bed and a quarter tank of gas. I gave the professional this information on my truck and what I needed; they e mailed back the kit with only 1.5 additional spacers on each side of the truck, Ok. I still came up with 2.25 inch space with an empty truck bed on both sides. I feel More TIMBREN PRODUCTS WOULD be SOLD if websites carried information All together for the average people to buy at their finger tips. It would have been easier for me if the following were all grouped together for my truck :
TIMBREN Rear Suspension Enhancement System
TGMRCK15S (that has 3/8 bushing) which is actual about 4.5 inches not 5inches in
FOR TRUCKS with LIFT KITS spacers are required with the same 3/8 bushings

1 inch spacer (that has 3/8 bushing) A25723-90AHOO
1/2 inch spacer (that has a 3/8 bushing) TA25722-90POO
I required an additional 1 inch spacer on both sides than I was e mailed. It would also be easier if I could buy the additional bolts grouped with my additional 2.5 spacing on both sides of my truck on the web site, than going to the hardware store. I would pay the additional cost. So all together for my 3.5 ROUGH COUNTRY LIFT, I required 2.5 inch spacers on both sides with the 4.5 height kit which = 7 inches . I haul my 4 wheeler in the bed and broke a level spring years ago. On other occasions I place fire wood in the truck bed. TIMBREN is the way to go, it will be there when I put weight in the bed of truck; be it a 4 wheeler or wood. Friends of mine have air bag systems that leak over time and are much more in price. You can not go wrong with TIMBREN. When installing, remove salt and sand near top of original bump stop bolt, apply PB blast wait 10 minutes use a breaker bar with easy removal. Go to the hardware store to get longer bolts. When installing have to jack up the back of the truck under the towing package to get space to use tools to add new TIMBREN PRODUCTS.

Awesome for hauling four wheeler in bed and for hauling load of fire wood in the bed, no broken leaf springs and no sag
Joe - 03/23/2022

by: David07/03/2021
2021 GMC Sierra 1500

I just installed these on my 2021 GMC Sierra 1500 AT4. It was really easily done and only took .5 hour total. Because the AT4 is slightly lifted I did use the spacers review separately. I am towing a pretty heavy 2 axle horse trailer with a tongue weight between 6000 and 7000 pounds which the truck can handle. When I hitched up with the original bump stops the hitch dropped 4", the frame over the rear tires squatted down 2 and 3 quarters " and the frame over the front tires lifted 3 quarters". After the installation the hitch dropped only 2 and 3 quarters", the frame over the rear tires squatted down 1 inch" and the frame over the front tires lifted . Test drive went well with the same smooth ride with no load as there is no contact. Pulling the trailer went just perfect, no sway due to the trailer design, and the load was very stable with very little bounce.

by: Christopher05/06/2022

It's okay. I believe I'm going to replace it with an air bag system though, as currently every time I hit a bump the springs make the small gap to the top of these and I'm always hitting the bump stops.

You mentioned that when hitting a bump a gap appears above the springs. Would be able to send a picture?
-- Etrailer Expert Jenny N - 05/09/2022
There is always a gap above the springs, they do not contact the leaf spring while the truck is resting. It is just small enough of a gap that any bump I do hit makes the leaf spring contact the Timbren jounce spring, which has the same sound effect as hitting a bump stop.
-- comment by: Christopher - 05/09/2022
My apologies as I was thinking that you meant that there was a gap at the top of the Timbren bump stop verses at the bottom between the bump stop and the springs. Of course, there should be a 0.5 inch to 1.5 inch gap and some people feel like it creates a stiffer ride when the truck is not loaded. I think this is what you are experiencing. I would recommend taking a look at part # AL89388
Air Lift LoadLifter 5000 Ultimate Plus Air Springs w/ Internal Bumpers - Stainless Steel - Rear Axle
for your 2021 GMC Sierra 1500 with 4 WD. There are a few tech tips to consider with this kit. It will not fit with vehicles equipped with Adaptive Ride Control or the AT4 models.
-- Etrailer Expert Jenny N - 05/09/2022

by: Brandon03/24/2018
2011 GMC Sierra

Added these Timbrens with two 1" spacers on each side on a 2011 GMC Sierra with a 2" lift. Fit great, easy to install. Was more work getting old bump stops off than installing the new Timbrens with spacers. I did need to get 2" longer bolts than what was included to complete the install, but that was to be expected.

by: Allen04/14/2022

Good customer service poor shipping box came open

I will have our Customer Service team reach out to you.
-- Etrailer Expert Jenny N - 04/21/2022

by: Todd06/12/2019
2014 Chevrolet Silverado

I have a 2014 Silverado 1500 and 24’ gooseneck weekender horse trailer. I just got the trailer and the guy I got it from recommended the Timbren’s to me. When I first dropped the trailer on my truck empty it squatted me 4.5” in the rear. The trailer weighs just under 5,000 pounds empty. When I first pulled the trailer empty I wasn’t sure about the Timbren’s they seemed really bouncy on my road. My road is not the smoothest road though. This past weekend I loaded 3 horses into my trailer and traveled about 1.5 hours away and I was blown away at how well my truck drove and handled fully loaded. With the Timbren’s my truck barely squats now. The trailer rode a hundred times better loaded with horses, which most big trailers ride bad when empty anyway. As far as driving with no load at all the truck rides just like normal. However if you hit a big hump in the road sometimes it will be enough to make it hit the Timbren’s and gives a little jolt. As far as recommending I definitely recommend these especially if you have a 1/2 ton truck and pulling a fairly heavy load.

by: Vince12/16/2022

They did there job to help level out the truck when hauling however the ride was rougher than I preferred so I opted for airbags instead.

by: Tom Michigan10/10/2022

The supplied bolts are too short. Finding the right bolts added to time to do the install.

The jounce springs are 1/2 inch from axle. I'm sure the ride will be very harsh even when not loaded...

by: Steve N.11/26/2016
2015 GMC Sierra

Received yesterday (quick shipping!), installed today on 2015 GMC Sierra 1500 4WD Crew Cab short box. What a difference between the Timbren's and OEM bump stop from GMC. Installed for towing large travel trailer. Used floor jack under rear hitch to raise up truck to get enough room for socket to install bolts. Use 10mm socket to remove OEM bolt & bump stop, use 17MM socket to install new bolt and Timbren. Very east installation process.

by: Jeff 02/04/2023

They work exactly as they are promoted too, easy to install. Ive been using them for one year now with no issues. I should have listened to my friends and bought them sooner.

by: Steve04/10/2020
2020 GMC Sierra 1500

I can't wait to use these and see how they actually work with my 29' x 7.5' wide snowmobile trailer.

For reference to those with an AT-4 GMC, I have a 2020 and with a 1/2" spacer and the timbren (it was actually only 4 1/2" tall, not 5" like the images showed) have about 1.25" gap between the bottom of the timbren and the axle stop when unloaded. I was under the impression that the timbren itself was 5" based on the image in the kit on the website, #tgmrck15s, so I'm a 1/2" shorter than I wanted but I will run it for a while and see how it looks when loaded with my trailer before going any thicker with a spacer.

by: Bryan Hanselman04/30/2013

Etrailer expedited the package early due to returning customer. Parts delivered in double packaged boxes. Installed in 1/2 hour after fighting the old rusty bolts. Have not had a chance to load test yet. Will give another follow-up review after truck and trailer are loaded.

by: Robert10/13/2022

Much bouncier ride than anticipated after installation. I followed etrailer’s recommendation in choosing them but I’m wondering if air shocks would not have provided a more acceptable ride.

by: Jesse G 06/06/2018
2014 Chevrolet Silverado 1500

Great product easy to install, took me longer to take the tire off and on than install the product. I hooked up the truck to the trailer and before it stood at 39 inches and when hooked up it dropped to 37 1/2 from the floor to the wheel weld. Overall ride is comfortable with an empty truck load. Purchesed Sunday and was delivered by Wednesday. Great product

by: John09/10/2022

I have a 2018 Sierra and these Timbren are terrible. They are way too hard and when you hit a bump they slam hard on the axle. I plan to put my originals back on.

We offer a similar product that might work better for you. The SumoSprings # SS45MR
SumoSprings Solo Custom Helper Springs - Rear Axle
is made of a softer material that will provide a ride thats less harsh than what you would get with the Timbren product.
-- Etrailer Expert Mike L - 09/15/2022

by: Mark 06/06/2020

Even using equalizing bars, I was experiencing "motorboating" when towing our travel trailer. I've had several air bag setups in the past and have always had to add air daily, so I bought the pair of Timbren suspension enhancement blocks.
Mounting took about 20 minutes.
The Timbren blocks stopped the "motorboating."
Another benefit, is my ride stays as factory without messing with air pressure at all.
Also, now I'm able to move my travel trailer short distances without installing the equalizing bars at all. My pickup stays nice and level.

The Timbren blocks are working out great! The only negative is that there is only a couple inches of freeboard travel brfore the axle contacts the blocks. When there is no load, bumps like speed bumps are a bit harsher than before. I guess that is to be expected though. Even with this slight increase in unloaded harshness, I still give this product five stars.
Mark V - 06/07/2021

by: Cory05/30/2022

I actually found that airbags worked better for my truck and trailer. I ordered those from you as well. May I return the Timbrens for at least partial store credit?

I will have our Customer Service team reach out to you.
-- Etrailer Expert Jenny N - 06/02/2022

by: Pete02/18/2023
2011 Chevrolet Silverado

The corner of the box had significant d amage.

That is no good! I will have our Customer Service team reach out to you.
-- Etrailer Expert Jenny N - 02/20/2023

by: Matthew 04/28/2021

Working great, no moving parts or air lines to go bad. Very simple concept just a little expensive but would definitely purchase again if I get a different truck.

I sold the pickup I had am saving up to purchase another set for my current 2017 Ram , very excellent product.
Matthew - 05/10/2022

by: William 10/19/2022
2021 GMC Sierra 1500

Good quality and I liked the installation videos.

by: Carey 03/06/2023

Good product, simple to install. Works as it was intended to.

by: Mike06/18/2020

Installed these on my 2016 Silverado. Gained almost 3/4 inch in suspension height back with a 26 foot travel trailer on the back. Much nicer ride as well. I’ll be getting them for the front when I get a plow. Very easy to install too.

by: Benjamin Lloyd06/19/2020
2013 Chevrolet Silverado

Install was straight forward; the old stops fought me a bit- a few shots of PB helped. Great install videos on your website to help me. Looking forward to towing my camper with the Timbren’s installed! I decreased 1 1/2” of rear end squat when I hooked onto my 7000 lb camper (before attaching my weight distribution bars.)

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Customers compare TGMRCK15S to these similar products

Ask the Experts about this Timbren Vehicle Suspension
Do you have a question about this Vehicle Suspension?

  • Comparing Timbrens and SumoSprings for a 2019 Chevy Silverado 1500
  • The main difference between the Timbren Rear Suspension Enhancement System part # TGMRCK15S and SumoSprings Solo Custom Helper Spring part # SS45FR for a 2019 Chevrolet Silverado 1500 is hardness. The Timbrens are much denser than the SumoSprings so although they will provide more support, they will also produce a rougher ride. I recommend the SumoSprings since it does not sound like you will be towing everyday and still need the truck to have a factory-like ride quality most of the time...
    view full answer...

  • Difference Between Timbren And SuperSprings Suspension Stabilizer For 2016 Chevy Silverado 1500 4WD
  • So the difference between the Timbren Rear Suspension Enhancement System # TGMRCK15S and SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA28 are the benefits they offer and what you are looking to get out of an enhancement system. The Timbrens # TGMRCK15S are jounce springs and how they work is simple but effective. When you have additional weight at the rear of your truck, like when towing, it will sag, causing the front of the truck to rise. This causes your front...
    view full answer...

  • What Does Decreased Ride Quality When Using the Timbren Enhancement System Really Mean
  • When towing a heavy trailer with your 2014 Chevrolet Silverado 1500, the rear suspension will most likely drop due to the added weight placed on the vehicle. This added weight is going to cause issues such as improper headlight aim, poor braking, and an overall decreased sense of handling. Therefore, suspension enhancements like the Timbren Rear Suspension Enhancement System part # TGMRCK15S are needed. The Timbrens work by placing a dense piece of rubber spring between the frame and...
    view full answer...

  • What Are The Differences Between The Timbren TGMRCK15S And TGMR15MR For A 2021 GMC Sierra 1500
  • These two Timbren rear suspension systems are the same except for two major differences. They are both compatible with your 2021 GMC Sierra 1500. They are each rated at 8,600 lbs and are rated extra heavy duty. The differences are the Timbren Rear Suspension Enhancement System, part # TGMRCK15S, is jounce-style spring that replace axle bump stops on your frame and it does NOT fit vehicle's with equipped with Adaptive Ride Control. While the Timbren Suspension Enhancement System - Rear Axle,...
    view full answer...

  • Comparing Timbren Kits GMRCK25S & GMRCK15S for 2003 Silverado 1500 ZR71
  • Timbren kit # TGMRCK25S fits the 4WD version of your Silverado 1500LD while kit # TGMRCK15S fits the 2WD version. These kits provide progressive resistance when under load to help stiffen and support your OEM suspension, especially useful for cargo loads in the bed, but they do not add weight capacity to the vehicle. Rear-end sag from pulling a travel trailer is best handled by a weight distribution/sway control system rather than a set of jounce springs. A properly-tuned WD/SC system...
    view full answer...

  • Timbren Rear Suspension System Used in Place of an Anti-Sway Bar on a 2009 Chevrolet Silverado 5.3L
  • The Timbren Rear Suspension Enhancement System, # TGMRCK15S, will help stabilize the vehicle, absorb shock and help keep the vehicle level when pulling your 25 ft toy hauler, but should not be used to replace an anti-sway bar on your 2009 Chevrolet Silverado 5.3L. The Timbren suspension enhancement system is designed to work with your vehicles current suspension system and should not be used to replace any component of your suspension system other than bump stops.
    view full answer...

  • Comparing Timbrens Jounce Style Springs To Firestone Air Springs For A 2013 GMC Sierra
  • The Timbren Rear Suspension Enhancement System Item # TGMRCK15S replaces the factory jounce bumper so they are easy to install on your 2013 GMC Sierra 1500. Because the Timbrens are bigger than the factory jounce bumper, when weight is added to the back of the vehicle, the spring is going to make contact with the rear axle sooner. This means it is providing support sooner than a factory jounce bumper would. With the Timbrens you also have no maintenance and when there is no weight in the...
    view full answer...


Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle

Code: F2430

1883 reviews

Our Price: $399.99


Product Specs:

Vehicle Suspension

Rear Axle Suspension Enhancement

Air Springs

Heavy Duty


4,800-lb Capacity. Ride-Rite air springs enhance your factory suspension for safety and stability when you are hauling heavy loads. They reduce strain on your rear axle, keep your vehicle level, and adjust to load size for a consistently smooth ride.

Video of Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle

Customer Satisfaction Score:

Customer Reviews

Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle - F2430

Average Customer Rating:  4.7 out of 5 stars   (1883 Customer Reviews)

4,800-lb Capacity. Ride-Rite air springs enhance your factory suspension for safety and stability when you are hauling heavy loads. They reduce strain on your rear axle, keep your vehicle level, and adjust to load size for a consistently smooth ride.

by: Wyatt08/27/2022

Great product! The Firestone airbags for my 2012 Chevy Silverado 1500 fit perfectly! Thanks again

by: James04/20/2022
2018 GMC Sierra 1500

Great setup! Bought the helper springs to help truck sag when towing and having camping gear in the bed of the truck. The before and after shows the trailer connected with 600 pounds of tongue and 300 pound tent in the bed of the truck

by: Holden04/16/2022
2015 GMC Sierra 1500

Installed these in the driveway today! Installation went flawless can't wait to put some weight on them try em out gonna come up with a gauge and single fill set up soon.....* THE ENTIRE TEAM AT ETRAILER WAS GREAT WITH MT QUESTION AND LINING UP EVERYTHING I NEEDED I LOVED THE TRACKING AND ALL THE FOLLOW UP STUFF

by: Tim 02/18/2023

I have installed at least a half a dozen of the Firestone airbags and they work great.

by: Mark12/18/2022

The suspension kit installed pretty easily, and works as advertised. The downside for me was the quality of the airlines and valves. One side has a slow leak and I'm forced to touch it every couple of days. My plan is to fully replace the lines and valves.

by: Dennis C02/16/2020
2008 GMC Sierra

After emailing a fitment question to etrailer and having Erik B answer it in detail and correctly, I ordered this kit to install on my 2008 GMC Sierra 1500. It fit perfectly. From start to finish it took about 2 hours and I wasn't in a hurry. The kit came with everything I needed except for a few extra zip ties for the air line, but I had those anyway. The instructions that came with the kit are sufficient and easy to understand, but watching the video that Erik at etrailer linked to my question first made it much easier to understand how the installation should go.

I ordered the air bag kit because even with the weight distribution hitch on my truck, it still sags the rear about 4 inches before the air bags were installed. I haven't got to use the trailer yet, but I can't imagine having to run more than 40psi in the bags for my 10,000lb trailer with 1100lb tongue weight.

by: Ryan 02/02/2023
Nissan Leaf

After a lot of consideration between add a leaf and air bags choose these and don’t regret it able to air them up when hauling my camper but remove the air when just driving around. Install was really easy and took about an hour.

by: Enrique12/19/2022

Bought this about 2 months ago I finally was able to installed over the weekend and oh boy! what I missed not installed it as soon as i got them I haven’t haul nothing yet but just the change on the riding is GREAT! I travel around 600 miles a week or more and this is one of the best investments I have done for my truck, in two weeks I will be traveling for a longer distance but this time loaded I will try to come back and post about it, also I did get the air lift system AL25980 connected to a bus box I have on my truck for the rest of my accessories and have on demand air in the mean time if you people can afford these or any air suspension system do it! ETRAILER you all are great as well fast shipping very well packaged and you all have everything your customer needs to install and or troubleshoot any issue I will definitely continue shopping with you guys.

by: Jason07/01/2019

Installation was not hard at all, I definitely recommend having an impact wrench handy though. The airbags definitely improved how my toy hauler towed!! They took out all sag and reduced the roughness on torn up highways. The pic shows my truck back to factory ride height with the bags.

I have traded this truck since then, however they improved my ride and stance every time I pulled my trailer.
Jason C - 07/02/2020

by: david02/10/2019
Chevrolet Silverado

I don't typically do reviews but I was so excited about these I just had to share. installation was fine, it took me about 2 hours. Watch the installation videos, it helps. I thought I needed a 3/4 ton truck just to put some heavy loads in my bed a few times a year, but not anymore! See the picture I loaded. that is my Silverado 1500 with approximately 1,500lbs in the back (there are a bunch of concrete curbs in the back). Can you tell, I can't. That's with only 30lbs of air in the springs. I have used air shocks in the past but forget that, no comparison. I will say I did not get the series to fill itself which I will probably upgrade to soon, but for now, these are exceeding my expectations.

by: Jerry08/16/2020
2016 Chevrolet Silverado 1500

Super happy with the air helper springs. They performed great while pulling my boat. Saves me thousands by not having to buy a new truck!!
As always, had great service and very quick shipping.

by: Tim W08/16/2022

2018 Silverado Crew Cab 1" lift. Easy install. Only hang up the emergency brake line is up against driver's side bag (see pic)

by: Willie 02/15/2023

The best vender I ever got. Shipping was fast and was what I ordered ( the right parts) .will always use The trailer when I can. :). :)

by: Joey H05/30/2020
2012 GMC Sierra

This was way easier to install that I was imagining. Watch the installation video and you'll have no problems. I didn't drop the spare or even jack up the truck at all. All of the parts and hardware are of great quality. Nothing cheap or flimsy.

I ended up mounting the air valves inside the bed by fishing the hose up the bed stake and using the factory holes in the bedside.

It took me about two hours to install on my 2012 GMC Sierra 1500 All Terrain Extended Cab.

5 Stars all the way.

by: Steve W08/06/2014

Thanks for the information. I received the airsprings in good condition and have installed them on my truck. Attached is the photos of my installation. Everything installed great with no problems.

by: John 10/25/2022

Easy to follow instructions made for an easy installation. This was exactly what my truck needed.

by: Richard08/11/2022

Right now my firestone ride rite
spring helper is not working I am hoping it's a easy fix

by: Anibal Roges02/13/2022

It needs additional attachments to the upper brackets otherwise it makes rattling noises
I had to drill the brackets and install u clamps to the frame.

You mentioned that it was making rattling noises and that you needed to drill brackets to install u clamps. I wanted to see if you would be able to send a picture of the location? I would like to look into this with the manufacturer.
-- Etrailer Expert Jenny N - 03/02/2022
I will send you pictures the truck is now at my FL home, I fly there next weekend On an email will work for you?
-- comment by: Anibal - 03/02/2022
I appreciate it and through an email is fine. Whenever it is convenient for you.
-- Etrailer Expert Jenny N - 03/02/2022

by: Danny Billado06/18/2017
2016 Chevrolet Silverado 1500

This is the second set of airbags I have purchased from etrailer and my third truck using them, I have yet to utilize this new set as for I just installed them on this past Thursday and will get to evaluate them tomorrow pulling my camper. The last set on my last two trucks, I was extremely happy with their performance. as well as extremely happy with the service I get anytime I deal with etrailer. Cathy T is always very helpful.

by: Ben06/04/2018
2008 GMC Sierra

Quickly arrived and pretty easy to install. I filled to approx 20psi just as a daily driver but already can tell a big difference in the overall handling of the truck. The rear end feels stabilizes quickly when hitting bumps and the body rill is greatly reduced.I have yet to try them with a heavy load but I have no doubt they will perform great. 2008 GMC Sierra 1500.

Still a great product a year later. I have pulled heavier trailers across the country,used it for my 30ft travel trailer. Alls i need to do is adjust the pressure to my desired settings and the truck rides smoothly down the highway nice and level. Highly recommended product. Product is holding up well.
Ben - 06/04/2019

by: Gregory 10/05/2022

Very easy to install. Works well on leveling my truck. Looks real good. Great product!

by: Steve03/10/2018

Opened the box and in awe, I called my service guy, but he couldn't get to it for a week, so I started in. Rolled my truck up on some blocks. Removing the stock rubber bumper was easy. Then the installation. Bolting the upper housing onto the frame was the first job and was easy, except I forgot to include the spacer. So two steps later I had to unbolt it , insert the spacer and re tighten it. The rest of it went well and is now ready for the air line. Quit for the day and this morning will install the other side, which should go much easier now that I have learned from the first side.
So it looks hopeful that even I can accomplish this. As a 75 year old retired surgeon that is saying a lot!
Stay tuned for next installment which should review performance.

Worked great. But sold vehicle 6 months later
Steve - 03/10/2019

by: Shirley 03/24/2023

Wasn't had to install. Directions were perfect.

by: Ken05/09/2018
2016 GMC Sierra 1500

So far, I would give this product a 5 star rating. I must say, the installation directions from Firestone are a bit lacking. However, the installation video from etrailer made the installation a snap. I completed the installation in about 3 hours. I'm confident these Ride Rite bags will improve my hauling and towing performance when I go on long fishing trips fully loaded with gear and pulling my 19 foot boat. Also, etrailer was as good as their word when I asked them to honor their price pledge.

Still very satisfied.
Ken - 05/09/2019

by: Curtis02/19/2022
2015 GMC Sierra 1500

Great product and excellent customer service from etrailer to fulfill the order on a tight schedule! Their installation video was also very helpful as the paper instructions with the product left something to be desired.

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Ask the Experts about this Firestone Vehicle Suspension
Do you have a question about this Vehicle Suspension?

  • Choosing Jounce Springs or Air Bags for 2017 Silverado 1500 LTZ Crew Cab Towing 9K Trailer
  • If your weight distribution system is rated appropriately for your actual loaded tongue weight and installed correctly it should not make your ride particularly harsh, but you can soften some of the effect of that extra weight on your truck's suspension with a rear axle helper spring kit. Suspension enhancement kits are not a substitute for a properly rated weight distribution setup but they can help restore more of the usual ride quality you're accustomed to when not towing nearly 9K in...
    view full answer...