NHTSA ID Number: 10108965
Manufacturer Communication Number: LIT-230-00_7-17
Summary
Flyer revision – Heavy Duty Suspension System
1 Affected Product
Equipment
SMOOTH OUT THE TOUGHEST ROADS
HDSS SPECIFICATIONS
- Provides the ability for axle alignment through the adjustable trailing rods reducing dog tracking and increasing tire life
- Heavy duty mechanical suspension designed for axles from 10,000 to 25,000 in tandem sets
- Industry standard 00″ axle spacing provides better load balance and trailer stability
- Double slipper springs for better tracking and less maintenance
- Heavy duty hangers and equalizers are made from high yield fabricated light weight steel resulting in a lighter more durable trailer suspension
- Extended life equalizer bushing leads to lower maintenance time and cost
- 5-year limited warranty on suspension system combined with original Dexter
axles
LIT-230-00_7-17
Bestseller No. 1
Original (RAS®) RoadActive Suspension 4611-HD | Fits Chevy/GMC 1500 1990-2024 | Chevy/GMC 2500 & 3500 1973-2010
- 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.
Bestseller No. 2
Original (RAS®) RoadActive Suspension 3611-YHD | Fits Ford F150 4WD 2009-2025
- (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.
Bestseller No. 3
Elifencenter 1/2" NPT Port Heavy Duty 2500 lbs Double Air Bags Suspension for Trucks, Diameter 6", Extended 8.35", Closed 2.75" （One Mounting Holes in Bottom）
- [Application] Universal air ride suspension springs for most trucks, such as compatible with Ford F-150/F-250, compatible with GMC sierra,compatible with Chevy Silverado, compatible with Dodge Ram 1500 2500 3500.
- [Fitment] Universal for most trucks in the market(please check the detailed size of the air bags). Single air port size: 1/2-14NPT, Diameter 6", Extended 8", Closed 2.75". Two top 3/8"-16 UNC mounting holes, measure approx 1-3/4" from eye to eye. Bottom has one mounting hole in center.
- [2500 lbs air bags] Our airbag suspension kits boast heavy duty/double convoluted/crimped design, ensuring a safe and comfortable load capacity of up to 2500 pounds per bag.
- [Durability] Constructed with high-grade materials, our air spring bags offer exceptional resistance to wear and tear, guaranteeing long-lasting durability and consistent performance, even under challenging road conditions.
- The airbag kit is an almost universal product, but it requires different mounting tools and a certain install skill. Please double check the design and size before purchasing. No installation instruction and mounting bracket are included. Professional installation is highly required. Package includes: two pieces 2500 lbs air bag suspension, 2 pcs copper fitting.
Bestseller No. 4
Porch Swing Springs Hammock-Chair Spring - 1500Lbs Heavy Duty Suspension Hangers Ceiling Mount Porch Swings (2pcs 750Lbs Compact Version)
- PREMIUM MATERIAL: These swinging springs are made of high-quality steal, heat treated, zinc-plated. You can use them both indoor and outdoor, on your patio, porch, tree and ceiling mount.
- VARIOUS APPLICTIONS: These heavy-duty hanging springs are tightly coiled for shock absorption. You can use them for swing benches, hanging chairs, hammocks, hammock chairs, and punching bags, you can also use it for industrial application where need reduce vibrations and avoid shocks.
- PLUG AND PLAY: Simply Connect to your hammock and accessories and go. You can install it or replace the existing ones within minutes.
- WEIGHT CAPACITY: We offer two types for the springs with weight capacity of 600lbs and 750lbs. Longer Version and Compact Version, you can also choose ONE or TWO pieces according to your applications.
- LESS SHCK: Our high-quality spring is designed to absorb shock, prolonging the lifespan of your product while reducing noise, vibration, and pressure. Perfect for home appliances.
Bestseller No. 5
Helper Spring Kit, 500 LBS Heavy Duty for Pickup Trucks, SUVs & Trailers – Enhance Rear Suspension Load Assist & Towing Capacity
- 1️⃣ Compatible with a Wide Range of Vehicles: Compatible with Chevrolet S10 Pickup (1982-2003), LUV Pickup (1972-1982), Colorado (2004-2012), Astro (1986-2005); Ford Ranger (1983-2011), Explorer (1991-2001), Bronco II (1984-1989); Nissan D21 Hardbody (1987-1997), Frontier (1998-2004), Xterra (2005-2015); Toyota Tacoma (1995-2023), T100 Pickup (1993-1998), Tundra (2000-2006); Dodge Dakota (1990-2010), Durango (1998-2003), Caravan (1984-2006); GMC Jimmy (1982-2003), Sonoma (1991-2003), Canyon (2004-2011); B2000 (1979-1984), B2200 (1987-1993), B4000 (1994-2007).
- 2️⃣ Heavy Duty Load Support (Up to 500 lbs) – This leaf spring helper increases your vehicle's rear suspension load capacity by up to 500 lbs. Perfect for towing, hauling heavy cargo, or boosting vehicle performance without the need for a full spring pack replacement. Ideal for pickup trucks, SUVs, and trailers.
- 3️⃣ Durable Steel Construction – Built from heavy-duty, powder-coated steel, this helper spring kit ensures maximum durability and performance. Designed to withstand demanding on-road and off-road conditions, it provides long-lasting strength and stability under heavy loads.
- 4️⃣ Enhanced Ride Stability & Comfort – Reduces rear-end sag and improves ride quality by stabilizing your vehicle under heavy loads. Ideal for towing trailers, hauling gear, and maintaining a level ride, minimizing body roll and sway for improved driving comfort and safety.
- 5️⃣ Caring Commitment: With a 12-month warranty, we stand behind every helper springs . Purchase with assurance, knowing we're just a message away on Amazon for any inquiries or assistance you may need.
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