--- product_id: 384928819 title: "Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025" brand: "ras" price: "$1556.45" currency: USD in_stock: true category: "Ras" url: https://www.desertcart.us/products/384928819-original-ras-roadactive-suspension-3611-yhd-fits-ford-f150-4wd store_origin: US region: United States of America --- # 50% stronger rear leaf springs 45 min quick install No maintenance, zero adjustments Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 **Brand:** ras **Price:** $1556.45 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your Ford F150’s suspension game—haul harder, ride smoother, stress less! ## Quick Answers - **What is this?** Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 by ras - **How much does it cost?** $1556.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/384928819-original-ras-roadactive-suspension-3611-yhd-fits-ford-f150-4wd) ## Best For - ras enthusiasts ## Why This Product - Trusted ras brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Trusted by thousands since 1998, engineered for heavy-duty use with a 5-year warranty. - • **Effortless Installation:** Get back on the road in 45 minutes with a hassle-free, no-airline setup. - • **Boost Your Hauling Power:** Strengthens rear leaf springs by up to 50% for superior load support and towing control. - • **Triple Threat Suspension:** Combines helper spring, sway bar, and traction bar functions in one sleek upgrade. - • **Comfort Meets Performance:** Enjoy a smooth, stable ride whether your truck is loaded or empty—no stiff ride compromises. ## Overview The Original RAS® RoadActive Suspension 3611-YHD is a premium rear leaf spring upgrade designed specifically for Ford F150 4WD models from 2009 to 2025. Engineered in the USA, it enhances rear spring strength by up to 50%, improving load support and towing stability without sacrificing ride comfort. This no-maintenance, quick-install system functions as a helper spring, sway bar, and traction bar combined, backed by a 5-year warranty and trusted durability since 1998. ## Description Buy Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025: Helpers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - (RAS) RoadActive Suspension HD Rear Leaf Spring Upgrade – U.S. Company, Original Product built by the original creators of RoadActive Suspension system, this rear leaf spring upgrade comes from a North Carolina based company with a track record of durability and performance since 1998. Engineered and assembled with a focus on quality and reliability. Look for the RAS trademark to ensure you're getting the authentic, original product. - Reduces Squat & Bounce – Strengthens rear leaf springs by up to 50%, providing improved load support and control when towing or hauling—without compromising ride height. - Smooth Ride, Loaded or Empty – Maintains superior ride quality and vehicle stability in all conditions—unlike airbags or stiff jounce-style alternatives that affect everyday comfort. - 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. - 3-in-1 Suspension Upgrade – Functions as a helper spring, sway bar, and traction bar in a single, cost-effective solution ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09DFRX6XT | | Auto Part Position | Rear | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #129,061 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Leaf Spring Helpers | | Brand Name | RAS | | Customer Reviews | 4.6 4.6 out of 5 stars (209) | | Included Components | Leaf Spring | | Manufacturer | RoadActive Suspension | | Manufacturer Part Number | 3611-YHD | | Manufacturer Warranty Description | 5 Year Manufacturer Warranty | | Maximum Lifting Height | 3 Inches | | Model Number | 3611-YHD | ## Product Details - **Auto Part Position:** Rear - **Brand:** RAS - **Included Components:** Leaf Spring - **Manufacturer:** RoadActive Suspension - **Maximum Lifting Height:** 3 Inches ## Images ![Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Image 1](https://m.media-amazon.com/images/I/61hUgI2rHLL.jpg) ![Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Image 2](https://m.media-amazon.com/images/I/51F1kBJVYSL.jpg) ![Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Image 3](https://m.media-amazon.com/images/I/71BAAKVTxXL.jpg) ![Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Image 4](https://m.media-amazon.com/images/I/71XtEinVtiL.jpg) ![Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Image 5](https://m.media-amazon.com/images/I/61bTX7Yq-0L.jpg) ## Questions & Answers **Q: Are there counterfeit or knockoff versions of RoadActive Suspension kits?** A: Beware of imitation kits sold online. Only genuine RoadActive Suspension products have been engineered, tested, and warrantied in North Carolina since 1998. Listings with RAS in the title are genuine RoadActive Suspension products. **Q: How much does RAS increase payload capacity?** A: While RAS can strengthen the rear suspension by up to 50% in a progressive manner and can improve the way your truck handles loads; it and no other suspension upgrade can increase the manufacturer weight ratings. **Q: Will RAS fit my lifted truck?** A: From a fitment standpoint, RAS often fits lifted trucks without an issue. Before ordering for your lifted truck, be sure to check your suspension for possible obstructions. If there appears to be an issue please contact RAS directly for assistance. **Q: Will RAS help reduce my rear squat?** A: Yes! While RAS is geared towards improving overall load handling, stability, and performance without hassle; RAS will also help reduce rear squat by up to 2-3 inches. **Q: How is RAS different from other suspension helpers such as air bags?** A: RAS offers a more complete solution, where enhancing stability, reducing rear squat, dampening excessive rebound, improving performance, and providing same-as or better-than-stock ride is just as important as reducing rear squat. ## Frequently Bought Together - Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025 - Husky Liners - Rear Wheel Well Guards | 2015-2020 Ford F-150 (Will not fit Raptor) - Black, 2 Pc. | 79121 - Bilstein 5100 Series Set of Rear Shocks fits 2015 2024 F150 4WD with 0-1" Lift | Optimal Performance | TrendsAuto Decal | 33-253190 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/384928819-original-ras-roadactive-suspension-3611-yhd-fits-ford-f150-4wd](https://www.desertcart.us/products/384928819-original-ras-roadactive-suspension-3611-yhd-fits-ford-f150-4wd) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-16*