Fixed Load Support

Air Lift Air Cell Helper Spring Kit
Air Lifts Air Cell is a microcellular urethane spring designed to provide load support and reduce sag for loaded vehicles. AirCell is a low cost, no-maintenance product that is easy to install and has a lifetime warranty.
Coil SumoSprings
Does the front of your truck sag with the weight of your snow plow or winch, or your rear suspension when adding a tow hitch? Coil SumoSprings are the answer. Simply slide between the turns of coil springs to enhance your front or rear suspension.
Firestone Work-Rite Load Assist Helper Springs
Firestone’s load assist springs are made of injection-molded, microcellular urethane. Work-Rite is a maintenance-free suspension solution, designed to absorb road shock and help level your load when towing or hauling heavy loads.
SumoSprings - Airless Airbag Kits
SumoSprings is the world’s first and only "airless airbag" suspension system for trucks and vans. Level your load with an advanced high grade, closed cell polyurethane foam SumoSpring.
Timbren Suspension Kits
Timbren Suspension Kits are easy to install, and require no maintenance. Made of Rubber, and mounted between the truck chassis and the axle, a set of Timbrens work with the existing suspension to protect it from overloading, bottoming out, and sway.

Most Popular Fixed Load Support Suspension Kits

Part #: 8606 Firestone Work-Rite Urethane Air Spring Kit - Ford F-150, Rear - 8606
Firestone Work-Rite Air Spring Kit 8606 fits rear applications for the Ford F-150. Firestone Air Helper Springs are designed to offer maximum load capacity as well as years of worry-free service. Firestone Air Helper Springs can be adjusted to accommodate your load capacity and are installed between the frame of your vehicle and the suspension, providing load support by using air pressure. Includes everything you need for a quick installation and backed by a Limited Lifetime Warranty.
Your Price
$184.19
List Price
$242.08
You Save
$57.89
Part #: AIL52211 Air Lift Air Cell Suspension Kit - Front - AIL52211
Air Lift Air Cell Load Support Kits are made of long lasting closed cell urethane foam. The urethane foam traps air to provide a cushion against sag when loaded. Requires no drilling. Designed for front application.
Your Price
$168.00
List Price
$231.82
You Save
$63.82
Part #: TORTUN4 Timbren Kit - Toyota Tacoma, Tundra and Nissan Titan, Rear  - TORTUN4
 
4.6
Timbren kit TORTUN4 fits rear applications for the Toyota Tacoma, Tundra and Nissan Titan. Timbren kits are easy to install, maintenance free and come with a lifetime warranty. Timbren overload springs deliver both good ride quality and improved load handling without affecting your ride when unloaded. They reduce sway, improve stability, cushion road shock and improve the handling of your vehicle when hauling a heavy load or towing a trailer. Timbren springs come with a with a ride satisfaction guarantee.
Your Price
$214.67
List Price
$252.55
You Save
$37.88
Part #: GMFK25S Timbren Kit - GM Silverado, Sierra, Suburban, Tahoe, Yukon, Front  - GMFK25S
 
5.0
Timbren kit GMFK25S fits front applications for the Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade and Avalanche. Front Timbren kits are an easy way to add support to the front of your suspension. Designed specifically to eliminate front end sag and provide load support, this kit will prevent the front end from dropping and help maintain stock height. If you have a snow plow, heavy bumper or winch on the front of your truck and the noise dives and sags, a front Timbren kit will help eliminate the sag.
Your Price
$214.67
List Price
$252.55
You Save
$37.88
Part #: GMFS10 Timbren Kit - GM Blazer, S10, Jimmy, S15, Bravada and Sonoma, Front 2WD/4WD - GMFS10
 
5.0
Timbren kit GMFS10 fits front applications for the 2WD/4WD GM Blazer, S10, Jimmy, S15, Bravada and Sonoma. Front Timbren kits are an easy way to add extra support to the front of your suspension. Designed specifically to help eliminate front end sag and provide load support, they will prevent the front end from dropping and help maintain stock height. If you have a heavy bumper, winch or snow plow on the front of your vehicle and the noise dives and sags, a front Timbren kit will help eliminate the sag.
Your Price
$214.67
List Price
$252.55
You Save
$37.88
Part #: KWRAG400 Timbren Kit - Kenworth AG200, 230, 400 Airglide Suspension, Rear - KWRAG400
Timbren kit KWRAG400 fits rear applications for the Kenworth AG200, 230, 400 Airglide Suspension. Timbren kits are easy to install, maintenance free and come with a lifetime warranty. Timbren springs deliver good ride quality and improved load handling without affecting your ride when unloaded. They reduce sway, improve stability, cushion road shock and improve the handling of your vehicle when hauling a heavy load or towing a trailer. Every Timbren suspension kit comes with a ride satisfaction guarantee.
Your Price
$824.10
List Price
$969.53
You Save
$145.43
Part #: DR2500CA Timbren Kit - Dodge Ram 1500, 2500, Rear 2WD/4WD - DR2500CA
 
4.6
Timbren kit DR2500CA fits rear applications for the 2WD/4WD Dodge Ram 1500 and 2500. Timbren load support kits work in conjunction with the existing leaf spring or coil springs, to improve the vehicle ride and to protect your springs against overload. A Timbren kit is a quick and easy way to overcome your load capacity problems and improve the ride quality of your vehicle. Timbren rubber springs deliver both good ride quality and improved load handling without affecting your ride when unloaded.
Your Price
$214.67
List Price
$252.55
You Save
$37.88
Part #: GMRC55 Timbren Kit - GM Kodiak and Topkick Rear 2WD - GMRC55
 
5.0
Timbren kit GMRCC55 fits rear applications for the GM Kodiak and Topkick Medium/Heavy Duty truck. Timbren load support kits work in conjunction with the existing leaf spring or coil springs, to improve the vehicle ride and to protect your springs against overload. A Timbren kit is a quick and easy way to overcome your load capacity problems and improve the ride of your vehicle. Timbren rubber springs deliver both good ride quality and improved load handling without affecting your ride when unloaded.
Your Price
$395.80
List Price
$465.65
You Save
$69.85
Part #: GMRCK25S Timbren Kit - GM Silverado and Sierra, Rear  - GMRCK25S
 
4.7
Timbren kit GMRCK25S fits rear applications for the GM Silverado and Sierra 1500 and 2500. Timbren kits are easy to install, maintenance free and come with a lifetime warranty. Timbren helper springs deliver both good ride quality and improved load handling without affecting your ride when unloaded. They reduce sway, improve roll stability, cushion road shock and improve the handling of your vehicle when hauling a heavy load or towing a trailer. Timbren kits come with a with a ride satisfaction guarantee.
Your Price
$214.67
List Price
$252.55
You Save
$37.88
Part #: GMRG25C Timbren Kit - Escalade, Tahoe, Yukon, Express, Avalanche, Rear 4WD - GMRG25C
 
5.0
Timbren kit GMRG25C fits rear applications for the 4WD GM Escalade, Tahoe, Yukon, Express and Avalanche. Timbren load support kits work in conjunction with your existing springs, to improve the vehicle ride and to protect your springs against overload. A Timbren kit is a quick and easy way to overcome your load capacity problems and improve the ride quality of your vehicle. Timbren rubber springs deliver both good ride quality and improved load handling without affecting your ride when unloaded.
Your Price
$214.67
List Price
$252.55
You Save
$37.88

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