Air Lift 1000 Air Helper Springs for Coil Springs - Rear
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2009 Lexus GS 460
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2009 Lexus GS 460
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Heavy cargo or a trailer can make the rear sag and throw off steering and braking. The Air Lift 1000 Air Helper Springs add up to 1,000 lbs of load-leveling support inside your rear coil springs. This keeps your vehicle level and stable when hauling or towing, maintaining headlight aim, tire alignment, and safe handling even under strain.
Different loads call for different suspension stiffness. With adjustable air pressure between 5 psi and 35 psi, you can dial in just the right support. Add air when carrying heavier gear or deflate when driving empty for a smoother ride. Each spring can be inflated independently with dual air lines to level uneven loads side to side.
These molded polyurethane springs fit snugly inside your existing coils to absorb road shock and reduce sway. The result is steadier steering, less bounce, and improved braking performance whether you’re loaded down or running light. You’ll notice a more planted feel through corners and on rough roads with less strain on your stock suspension.
No need for complex modifications or special equipment. The kit installs inside your rear coil springs using standard tools and includes two air springs, two heat shields, tubing, Schrader valves, and hardware. Manual inflation valves can be mounted anywhere convenient—commonly on the bumper—for quick access. Add an optional compressor system later for in-cab or wireless pressure control without changing your setup.
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Customer Satisfaction Score:
94% were satisfied with this product
6% of customers were not satisfied
Ratings & Reviews
Jenny N.
7/18/2024
Robert, I know that this Airlift spring set does have a 1,000 point capacity. It is possible that you need a higher rated spring. The only ones that we have is the coil spring enhancement part # T58GR, which bolsters the coil springs on the vehicle however they do not have a specific weight capacity number. Are you also using a weight distribution system? If you are not then it might be a possible solution. Let me know.
Brooke M.
11/18/2022
I reached out to Air Lift and they said that squeaking can be expected if your springs or coils have that hard rubber coating on them. They also said that if you inflate the air bags to the max and let them sit in the springs for a day, this will give them time to get seated so to speak and should reduce the squeaking.
Andrew N.
10/12/2022
It sounds like the air bags are causing some noise, perhaps squeaks? In this case, typically the issue is that the coil or suspension components are rubbing on the air bags, or it could be that you torqued the bolts down with the vehicle in the air instead of with the vehicles weight on the suspension. I would try adjusting the air bags and make sure you tighten the bolts with the vehicles weight on the suspension.
Michael
6/3/2025
I recently sold the Rav4. But in the time that Ive had it, the air support on my rear Springs was a fantastic day. The change in the aspect of how it rode, how I trailed and how I carried 5 adults with their luggage. Ive since gone to a bigger vehicle, not requiring such things. But I can tell everybody, because this is the second time ive used those kind of airlifts, and theyve always performed wonderfully, definitely one hundred percent, ten out of ten!
Nick S.
6/3/2025
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Heather A.
6/9/2021
Thank you for your review. The bags press out on the coils to keep them from compressing instead of up and down. They are not designed to touch the top and bottom.