Original (RAS®) RoadActive Suspension 4611-HD | Fits Chevy/GMC 1500 1990-2024

Original (RAS®) RoadActive Suspension 4611-HD | Fits Chevy/GMC 1500 1990-2024

• Genuine (RAS) RoadActive Suspension HD system is designed to strengthen and stabilize rear leaf springs for trucks carrying heavy loads or towing. Each kit is engineered, manufactured and assembled in North Carolina with a focus on durability, performance, and reliability. Since 1998, RoadActive Suspension has provided solutions that improve stability, reduce squat and sway, and extend the life of leaf springs.
• Reduces Squat & Bounce – Strengthens rear leaf springs by up to 50%, providing improved load support and control when towing or hauling—reducing squat by up to 2-3 inches.
• Unmatched Ride Quality & Stability – Maintains a smooth, controlled ride whether loaded or unloaded—no stiff suspension like other add-ons.
• 3-in-1 Suspension Upgrade – Functions as a helper spring, sway bar, and traction bar in a single, cost-effective solution.
• No Maintenance. No Adjustments. No Air Lines. – Installs in as little as 45 minutes and begins working immediately with zero upkeep—ideal for drivers who want performance without the hassle.
• Proven, Tested, and Built to Last – Designed and tested for heavy-duty use on the road and off. Trusted by hundreds of thousands for its unmatched reliability, safety, and long-term durability.
• *NOTE: Does not fit 2022 models with single rear leaf spring suspension, 2015-2018 w/magnaride, OR 2025 GMC/Chevy 1500.