(RAS®) RoadActive Suspension 3611-SHD | Fits Ford F250/F350 2011-2024 [Without Factory Top Overload Spring]

Price: $589.00

As of 2025-05-08 22:19:48 UTC (more info)

Product prices and availability are accurate as of 2025-05-08 22:19:48 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

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Product Features

Authentic Made In USA RoadActive Suspension HD rear leaf spring upgrade by (RAS)RoadActive Suspension. Only listings with the RAS mark are Made In USA with premium rigorously tested and proven for durability since 1998. Don't trust low-quality imports. Eliminates Squat & Reduces Bounce – Reinforces rear leaf springs by up to 50% for superior towing and hauling performance. 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 Required – Unlike air-based systems, RAS installs in under an hour and works immediately with zero upkeep. Proven Performance & Durability – Designed for heavy-duty towing, hauling, and everyday driving with long-lasting reliability. *NOTE: Fits SuperDuty without top overload. See part 3611-SLHD for Superduty with factory top overload.