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2009-2023 F150 4WD RoadActive HD Active Suspension (RAS) System 3611Y-HD

09-23 F150 4WD RoadActive HD Active Suspension
09-23 F150 4WD RoadActive HD Active Suspension
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Part#:

3611-YHD

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$569.00
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California Prop. 65 Warning
F150 RoadActive Suspension Features:
  • Helps support heavy loads when towing or hauling
  • Improves stability, control, and rear sag
  • Pair of specially-designed springs and brackets
  • Easily install over the stock leaf packs
  • No drilling, cutting, or trimming required
  • Backed by a 5-year limited warranty

Supports Heavy Loads to Reduce Squat and Improve Stability

While the 2009-2022 F150s may be able to tow and haul extremely impressive loads, you can start running into squat and stability issues long before you hit your F150's GVWR, GCWR, or Payload capacities. That's where the RoadActive HD Active Suspension for the 2009-2022 F150 4WD comes into play. The RoadActive HD Active Suspension (RAS HD) System gives your F150 additional load support capability and greatly reduces rear-end sag so that you get improved loaded handling and stability. The RAS HD System for F150s consists of a pair of specially-designed coil spring dampers that easily install over your truck's factory leaf packs in almost no time at all. The RoadActive RAS Heavy-Duty System was specifically designed to help compensate F150s that sag more than 3" when under load and also help reduce the chances of axle wrap and even save wear and tear on your rear tires all in one place.

Features Unique Variable-Rate Coil Springs with Bolt-On Brackets and Hardware

The RoadActive RAS HD System was carefully designed to easily install over your F150's stock leaf springs while being extremely strong so that they can handle nearly any towing application. The RAS HD is built around unique variable-rated coil springs that work by keeping the factory leaf springs in a bowed position and taking up load so that the stock leaf packs don't have to. The end result is that your leaf springs are doing less work and don't suffer from as much sag when you're towing heavy. The RAS HD mounts to your F150's leaf pack using a combination of a adjustable axle brackets and a eye bracket for the rear of the factory leaf springs. The entire RAS installs over your F150's factory leaf springs without the need for any permanent modifications to your truck and comes with all the hardware you need to get the RAS up and running. RoadActive even backs their RAS HD system with a 5-year limited warranty.

Fitment: 2009-2022 F150 4WD

4WD Only: this version of the RAS HD will fit F150s with 4WD. A version for 2009-2014 RWD/2WD F150s is here and a version for 2015-2022 RWD/2WD F150s is here.

For OEM leaf packs only: the RAS System is only guaranteed to fit F150s with factory leaf packs.

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