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8,600-lb Capacity hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Provides a comfortable ride by absorbing road shock and improving stability. Ideal for trucks with slide-in campers or an in-bed salt spreader.
Features:
Specs:
Whether you're hauling heavy loads in your bed or cargo area or you're towing a trailer, you will often see the rear of your vehicle sag while the front end rises. In these cases, the rear axle is handling not only the weight of the cargo, but also more of the vehicle's weight. Because less weight is on the front axle, the front tires are making less contact with the road. Overall handling - traction, steering, and braking - is negatively affected. But the resistance from Timbren's Suspension Enhancement System works with your factory suspension to keep your vehicle level and improve your driving experience.
The Timbren system comes with custom-fit brackets that are bolted onto each frame rail above the rear axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down to where the bottom of the spring sits, 1" above the axle. The inch of clearance allows the existing factory suspension to operate normally under light loads and standard terrain, ensuring the smooth, comfortable ride that you are used to.
Timbren Suspension Enhancement Systems are designed to work progressively. When the hollow rubber springs are compressed, the convoluted design causes them to quickly collapse along the folds. Once the folds are compacted, the stacked barrel shape increases resistance, stiffening the suspension and keeping your vehicle level.
Each hollow rubber spring works independently to support the driver's side or passenger's side of your vehicle. This is helpful when you swerve or make sharp turns. Each spring is activated when it is needed, so body roll is greatly reduced. The independent action also works well when you are hauling off-center loads.
Because the vehicle handles better with the springs, less turbulence will be passed along to the trailer, and this helps to keep the trailer in line. Your driving comfort is further enhanced if the trailer does begin to sway (from a gust of wind or a passing semi), because the movement from the trailer is not transferred to your vehicle. This also works to make the sway subside more quickly.
Another great feature of the rubber construction is that the springs absorb most of the road shock, creating a smoother, more stable ride overall. Wear and tear on the factory suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads.
Timbren's Suspension Enhancement Systems are much easier to install than air springs - there are no air hoses to run, no compressors or gauges to hook up, and no manual adjustments to make. The rubber construction makes Timbren's springs more elastic than similar products constructed of microcellular urethane. And more elasticity allows for a more comfortable ride because the rubber has more travel.
Average Customer Rating: 3.2 out of 5 stars (5 Customer Reviews)
8,600-lb Capacity hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Provides a comfortable ride by absorbing road shock and improving stability. Ideal for trucks with slide-in campers or an in-bed salt spreader.
Well made product, which arrived quicker than expected. etrailer’s customer service responded quickly when I asked if this would fit my truck. I am a fan of etrailer and appreciate their support and service.
Unfortunately this product does not work for my vehicle. I purchased these to augment the amount of squat my 2020 1500 Denali has when pulling a camper. Once installed and the camper hooked up we experienced a complete bottoming out of the vehicle even on the smallest of bumps. We had to remove the Timbren’s immediately.
For those of you who own a GMC Denali equipped with a magnet suspension, this product will not work for you. To date, I have looked at many options and have not found one that will fit this vehicle.
i thought they were too stiff, im not using them
Ways to Steph for my truck with a commercial cap in my tools
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Brooke M.
11/8/2023
I reached out to the manufacturer to confirm if the magnetic suspension made a difference in fitment and they said it doesnt. So it sounds like these do fit like they should, which is good. To your point though, they are very stiff and unless your truck has a slide on camper or is carrying a tank of water or a similar scenario, these are most likely too heavy duty, which would explain the uncomfortable ride. I think you would like part # SS45FR. It has a similar install and work the same way but they are softer so it will still support your suspension without you feeling every little bump and crevice in the road.