---
product_id: 499894105
title: "Roadmaster Active Suspension 3611-YHD | Fits Ford F150 4WD"
brand: "ras"
price: "₨40473"
currency: SCR
in_stock: true
reviews_count: 5
category: "Ras"
url: https://www.desertcart.sc/products/499894105-roadmaster-active-suspension-3611-yhd-fits-ford-f150-4wd
store_origin: SC
region: Seychelles
---

# 50% stronger rear leaf springs 45-minute hassle-free install Zero maintenance, no adjustments Roadmaster Active Suspension 3611-YHD | Fits Ford F150 4WD

**Brand:** ras
**Price:** ₨40473
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your F150’s performance—tow smarter, ride smoother, and never settle for less!

## Quick Answers

- **What is this?** Roadmaster Active Suspension 3611-YHD | Fits Ford F150 4WD by ras
- **How much does it cost?** ₨40473 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/499894105-roadmaster-active-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 Outlast:** Engineered and tested since 1998 for unmatched durability and reliability on and off-road.
- • **Ride Comfort, Always:** Maintains smooth, stable ride quality whether your truck is loaded or empty—no stiff, uncomfortable alternatives here.
- • **Boost Your Towing Power:** Strengthens rear leaf springs by up to 50% for superior load support and control.
- • **Quick & Easy Installation:** Get back on the road fast with a 45-minute install and zero upkeep required.
- • **Triple-Action Suspension Upgrade:** Functions as helper spring, sway bar, and traction bar in one sleek, cost-effective solution.

## Overview

The Roadmaster Active Suspension 3611-YHD is a heavy-duty rear leaf spring upgrade designed specifically for Ford F150 4WD models. It enhances towing capacity by strengthening leaf springs up to 50%, reduces rear squat and bounce, and maintains ride comfort under all load conditions. Engineered and assembled in the USA since 1998, this no-maintenance, quick-install suspension system combines helper spring, sway bar, and traction bar functions into one durable, reliable package trusted by thousands of drivers.

## Description

Heavy Duty(HD) rear leaf spring upgrade by Roadmaster Active Suspension designed to enable improved towing capability, comfort and everyday performance without hassle. Suspension kit comes as set of variable rated tension coil spring designed to strengthen existing leaf springs by an additional 40-50% over stock factory leaf springs. The mechanically active suspension works to maintain the arch in the existing leaf springs and engage proportionate to force or weight that is applied, absorbing and dissipating load force energy. The unique design concept provides greatly improved stability, increased & improved load carrying capabilities, reduction in rear squat, reduced bounce, improved traction and driver control. Roadmaster Active Suspension guarantees 100% ride comfort and maximum performance, with or without load. Once installed with proper tension setting, no adjustments necessary. Heavy Duty kit ideal for most towing and hauling applications or with +2'' of squat while loaded.

Review: Great addition to towing with an F-150 Tremor
Review: A major difference on F150.

## 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 |
| Auto part position | Rear |
| Brand | RAS |
| Brand Name | RAS |
| Customer Reviews | 4.6 out of 5 stars 188 Reviews |
| Included Components | Leaf Spring |
| Included components | Leaf Spring |
| Manufacturer | Roadmaster Active Suspension |
| Material | Metal |
| Material Type | Metal |
| Maximum Lifting Height | 3 Inches |
| Maximum lifting height | 3 Inches |

## Product Details

- **Auto part position:** Rear
- **Brand:** RAS
- **Included components:** Leaf Spring
- **Material:** Metal
- **Maximum lifting height:** 3 Inches

## Images

![Roadmaster Active Suspension 3611-YHD | Fits Ford F150 4WD - Image 1](https://m.media-amazon.com/images/I/61hUgI2rHLL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great addition to towing with an F-150 Tremor
*by B***O on 10 June 2025*



### ⭐⭐⭐⭐⭐ A major difference on F150.
*by N***E on 16 May 2022*



### ⭐⭐⭐⭐⭐ Worth its weight in gold!
*by W***9 on 3 August 2025*



## Frequently Bought Together

- Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025
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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-09*