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Heavy loads can make the back of your vehicle sag and throw off stability. The Air Lift 1000 Universal Air Spring Kit – Rear adds up to 1,000 lbs of load-leveling support inside your rear coil springs. This extra support keeps your ride level when hauling or towing, improving braking, steering, and headlight aim while reducing strain on your tires and factory suspension.

No two loads are the same, and this setup lets you dial in support as needed. The Air Lift 1000 system runs adjustable air pressure—5 psi to 35 psi for spring pitch greater than 1", or 5 psi to 50 psi for less than 1" spring pitch. Inflate each spring independently using the included Schrader valves to balance uneven loads. Add an optional compressor system for in-cab or wireless control if you want easy air adjustments on the go.

These tough polyurethane air springs fit inside your existing coils to absorb bumps, sway, and road shock. By damping movement before it reaches the chassis, they help your suspension stay composed over rough roads and keep the ride comfortable whether you’re loaded or not.
This kit installs inside the rear coil spring suspension using included tubing, heat shields, valves, and hardware. The manual inflation valves mount conveniently—often on the bumper—for quick pressure checks and fills. It’s a clean, practical setup that’s perfect for anyone who likes getting hands-on with their own upgrades.
| Kit Part Number | Minimum Diameter | Maximum Height |
|---|---|---|
| 60900 | 3" | 5-1/2" |
| 60901 | 3" | 8" |
| 60902 | 3" | 9" |
| 60903 | 3-1/2" | 5-1/4" |
| 60904 | 3-1/2" | 7-3/4" |
| 60905 | 3-1/2" | 9-1/2" |
| 60906 | 4" | 5" |
| 60907 | 4" | 6" |
| 60908 | 4" | 7" |
| 60909 | 4" | 8" |
| 60910 | 4" | 9" |
| 60911 | 4" | 10" |
| 60912 | 4" | 11" |
| 60913 | 4" | 12" |
| 60914 | 4-1/2" | 6-1/2" |
| 60915 | 4-1/2" | 7-1/2" |
| 60916 | 4-1/2" | 9" |
| 60917 | 4-1/2" | 10" |
| 60918 | 5" | 5-1/4" |
| 60919 | 5" | 7" |
| 60920 | 5" | 9" |
| 60921 | 5" | 11" |
| 60922 | 5-1/2" | 5-1/2" |
| 60923 | 5-1/2" | 7-1/2" |
| 60924 | 5-1/2" | 8-1/2" |
| 60925 | 5-1/2" | 9-1/2" |
| 60926 | 5-1/2" | 10-1/2" |
| 60927 | 5-1/2" | 11-1/2" |

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today we're gonna take a look at the Air Lift 1000 Universal Air Helper Springs for your rear coil springs. Now this kit here will provide your vehicle with up to a thousand pounds of load leveling support. This will help reduce the strain on your rear suspension and improves both safety and ride quality that is designed to support your existing rear coil spring suspension when you're hauling or towing. Also, what's nice with this, this will keep your vehicle level when you're hauling a heavy load, improve steering and braking performance, helps maintain safe head lighting, that'll even keep your tires from wearing unevenly. This will let you manually adjust your air pressure to get the even load distribution support that you need.
You can level your vehicle front to rear and with the installation of dual lines, you can inflate each spring independently for side to side leveling of any off center loads. Now, the adjustable air pressure on these are five PSI up to 50 PSI. These do improve overall stability and ride quality. They'll help diminish sway, absorb road shock for a nice smooth ride. The springs themself are constructed of a durable molded polyurethane and they install inside your vehicle's rear coil spring suspension.
Now since this is a universal kit, you will need to make two important measurements to see if this will work for you. Basically, with your vehicle unloaded and a normal ride height, you'll wanna measure the inside height of your coil spring, which will be from the upper spring seat to the lower spring seat. And then next, you'll measure the inside diameter of the spring at its widest point. Once you have those measurements, use the table that's on this product page to pick the correct universal kit for your application. This kit here is designed to fit a maximum height measurement of nine inches and a minimum inside diameter of three inches.
Now since the air spring cylinder will inflate, it is okay if the cylinder is slightly undersized, compared to the size of the coil spring. Additionally, some of these kits do include spacers to make up for any height differences. Now this kit here includes everything shown here on the table. It'll include the two airs springs, the two heat shields with the clamps, the airline tubing, all the hardware you need, the Schrader valves for manual inflation. Now you can also add a compressor system within cab gauges to monitor and automatically adjust the air pressure.
Those items we do sell separately. And these parts are made in the USA. Load leveling capacity is up to a thousand pounds. Now these Air Lift 1000 springs will not increase your vehicle's weight carrying capacity, so you do wanna make sure not to exceed the manufacturer's recommended weight limit. But that's gonna do it for the review on this Air Lift 1000 Universal Air Helper Springs for your rear coil springs.
Ratings & Reviews

Claire H.
6/10/2026
Thank you for the update! It's good to hear that your helper bags are still performing well for you. Thank you for sharing your experience and happy towing! :)

Eric
4/9/2022
Still going strong

Gwendolyn Y.
6/30/2025
Air springs look great, Ali! Happy to hear they are working well for you!

Donald W.
6/17/2020
This product did everything I hoped it would, no more bounce and sway while towing. I would recommend these air bags to anyone towing a trailer.

Frank
5/2/2024
Another year and the bags are still working great. They are used every time we do a trip with our camper. No issues note: you will experience minor pressure decrease over time but nothing major.
Do you have a question about this Vehicle Suspension?
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Russell
3/2/2025
Holy cow, so it’s been over a year, I have had no problems at all matter fact, I forgot the airbags were even on there, they’ve held air once I got them where I want them. I have not even touch them they work fantastic, like I said 10 years ago I used them on the wife’s car and I came back because it’s such a great product, kudos to airlift.