RAS HD Suspension Kit for 2009–2026 Ford F-150 4WD Trucks
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Features
Unlike air bag systems, RoadActive Suspension is a fully mechanical, maintenance-free solution—no compressors, no air lines, and no ongoing adjustments. Its progressive tension design provides extra support under load while maintaining factory-like comfort when unloaded. Whether you're towing an RV or hauling heavy gear, this 3-in-1 system enhances safety, control, and confidence on the road.
Fully assembled and ready to install, this bolt-on kit delivers fast results with a simple installation process—so you can spend less time in the garage and more time on the road.
Key Features:
• Fits 2009–2026 Ford F-150 4WD trucks
• Strengthens factory leaf springs by up to 50%
• 3-in-1 design: helper spring, sway control, and traction support
• Reduces squat, body roll, axle wrap, and excessive bounce
• Progressive load support improves towing and hauling performance
• Maintenance-free system—no air lines, leaks, or adjustments
• Fully assembled for quick, bolt-on installation (~45–60 minutes)
• Durable, proven design trusted since 1998
- Reduces rear-end squat and bounce under load
- Maintains smooth ride quality when unloaded
- No maintenance compared to air suspension systems
- Quick install with immediate performance improvement
- Improves towing stability and handling