Air Helper Springs

Air Helper Springs: level a loaded truck without killing the empty ride

Air helper springs sit between your axle and frame to add load support only when you need it. When you hitch a trailer or drop a slide-in camper in the bed, the factory leaf pack squats, the headlights point at the sky and the rear end wallows over bumps. Air helper springs (or their bump-stop-style cousins) take up that sag, level the truck back out, and keep the rear from bottoming on every expansion joint. They don't raise your payload rating - they help you actually use the capacity you already have, comfortably.

This is a bolt-on job most people can do in a driveway. The units mount over or alongside the leaf springs; on air kits you run a line to a fill valve so you can adjust pressure for the load of the day. Unloaded, you bleed them down and the truck rides close to stock.

What we stock here

There are 136 products in this category, spread across 6 brands. Timbren is the deepest with 85 items, followed by Hellwig at 43, then smaller counts from Eibach, Ridetech, HKS and Ohlins. Current pricing runs from $74 to $568 for what's in stock - a range, not a promise, since it moves with inventory.

The spread lines up with the two main approaches. Rubber load-support kits like the Timbren F-550 Super Duty rear system and the Timbren F53 front system carry no air lines and nothing to leak. Adjustable air setups like the Ridetech 2015+ F-150 air-assist leveling kit let you dial pressure to the load. Heavy leaf-style helpers such as the Hellwig Ram 3500 Pro Series helper spring and the Hellwig 4-leaf stack helper spring handle the top of the range, while the Ohlins helper spring with adapter sits near the bottom.

How to choose

  • Air vs. rubber: Air kits adjust on the fly and give the smoothest empty ride, but they add lines, a valve and something that can leak. Rubber/progressive kits are set-and-forget with no maintenance, but you can't tune them per load.
  • Load level: The Hellwig leaf-style helpers list the highest level-load figures in this group. If you're regularly near your truck's limit, match the kit to how you actually load it.
  • Front vs. rear: Most helpers address rear squat, but some, like the F53 front system, target the front - check which axle sags on your setup.

Fitment

Of these, 111 products list vehicle fitment, covering model years from 1976 to 2024. Coverage is strongest on trucks: top vehicles include the Dodge Ram 1500, Ford F-150, Ram 2500, Toyota Tacoma, Chevrolet Silverado 1500, Nissan Frontier and Ford F-250 Super Duty, across makes like Ford, Dodge, Chevrolet, Toyota, Nissan, Ram, GMC and Jeep. Confirm your exact year and trim before ordering.

What else you need

Worn dampers undermine any load-support upgrade, so pair helpers with fresh shocks or shock absorbers. If you're chasing ride height rather than load, look at leveling kits or lift kits. Browse the full Suspension section for related parts like bushings.

Fitment help and ordering

Call 813-535-5801 for fitment help, or contact us with your year, make and model. Orders ship with free shipping, and Affirm and Katapult financing is available.

Air Helper Springs: level a loaded truck without killing the empty ride

Air helper springs sit between your axle and frame to add load support only when you need it. When you hitch a trailer or drop a slide-in camper in the bed, the factory leaf pack squats, the headlights point at the sky and the rear end wallows over bumps. Air helper springs (or their bump-stop-style cousins) take up that sag, level the truck back out, and keep the rear from bottoming on every expansion joint. They don't raise your payload rating - they help you actually use the capacity you already have, comfortably.

This is a bolt-on job most people can do in a driveway. The units mount over or alongside the leaf springs; on air kits you run a line to a fill valve so you can adjust pressure for the load of the day. Unloaded, you bleed them down and the truck rides close to stock.

What we stock here

There are 136 products in this category, spread across 6 brands. Timbren is the deepest with 85 items, followed by Hellwig at 43, then smaller counts from Eibach, Ridetech, HKS and Ohlins. Current pricing runs from $74 to $568 for what's in stock - a range, not a promise, since it moves with inventory.

The spread lines up with the two main approaches. Rubber load-support kits like the Timbren F-550 Super Duty rear system and the Timbren F53 front system carry no air lines and nothing to leak. Adjustable air setups like the Ridetech 2015+ F-150 air-assist leveling kit let you dial pressure to the load. Heavy leaf-style helpers such as the Hellwig Ram 3500 Pro Series helper spring and the Hellwig 4-leaf stack helper spring handle the top of the range, while the Ohlins helper spring with adapter sits near the bottom.

How to choose

  • Air vs. rubber: Air kits adjust on the fly and give the smoothest empty ride, but they add lines, a valve and something that can leak. Rubber/progressive kits are set-and-forget with no maintenance, but you can't tune them per load.
  • Load level: The Hellwig leaf-style helpers list the highest level-load figures in this group. If you're regularly near your truck's limit, match the kit to how you actually load it.
  • Front vs. rear: Most helpers address rear squat, but some, like the F53 front system, target the front - check which axle sags on your setup.

Fitment

Of these, 111 products list vehicle fitment, covering model years from 1976 to 2024. Coverage is strongest on trucks: top vehicles include the Dodge Ram 1500, Ford F-150, Ram 2500, Toyota Tacoma, Chevrolet Silverado 1500, Nissan Frontier and Ford F-250 Super Duty, across makes like Ford, Dodge, Chevrolet, Toyota, Nissan, Ram, GMC and Jeep. Confirm your exact year and trim before ordering.

What else you need

Worn dampers undermine any load-support upgrade, so pair helpers with fresh shocks or shock absorbers. If you're chasing ride height rather than load, look at leveling kits or lift kits. Browse the full Suspension section for related parts like bushings.

Fitment help and ordering

Call 813-535-5801 for fitment help, or contact us with your year, make and model. Orders ship with free shipping, and Affirm and Katapult financing is available.