Hellwig LP-35 HD Load Leveling Helper Springs Ford F-250 F-350 F-450 F-550
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
Improve load control and hauling performance on your 2011-2026 Ford F-250/F-350 2WD & 4WD, 2017-2026 Ford F-450 Pickup 2WD & 4WD, and 2016-2026 Ford F-250/F-350/F-450/F-550 Cab & Chassis with the Hellwig LP-35 HD Load Leveling Helper Springs. Designed for heavy-duty applications, the LP-35 features a Fulltime Spring Rate design that helps support consistent loads, improve vehicle stability, and maintain proper ride height under demanding conditions. MPN: 3511.
Why Choose the Hellwig LP-35 HD Load Leveling Helper Springs?
- Heavy-Duty Load Support – Designed for 1-ton applications and vehicles that regularly carry heavy loads.
- Up to 3,500 lb Load Leveling Capacity – Helps maintain proper ride height and improve load handling.
- Fulltime Spring Rate Design – Provides consistent support for fleet vehicles and work trucks with frequent heavy-duty use.
- Tunable Performance – Allows adjustment to match different load requirements.
- Improved Stability – Helps reduce suspension sag and improves control while hauling or towing.
- Easy Installation – Designed for a straightforward installation when used with the required mounting kit.
Installation Highlights
Installation requires Hellwig LP mounting kit PN 25301. These helper springs are designed for easy installation but must be paired with the required mounting kit for proper fitment.
Fits These Models
- 2011-2026 Ford F-250/F-350 – 2WD & 4WD
- 2017-2026 Ford F-450 Pickup – 2WD & 4WD
- 2016-2026 Ford F-250/F-350/F-450/F-550 Cab & Chassis – 2WD & 4WD
Specifications
- Part Number: 3511
- Series: LP-35 Heavy Duty Load Leveling Helper Springs
- Load Leveling Capacity: Up to 3,500 lbs
- Application: 1 ton applications
Key Features at a Glance
- Heavy-Duty Spring Design - Built for trucks that consistently carry demanding loads.
- Fulltime Spring Rate - Provides continuous load support for work and fleet applications.
- Tunable Support - Adjustable performance to match different hauling needs.
- Maintains Ride Height - Helps reduce rear suspension sag under load.
- Hellwig Quality - Designed for dependable truck and towing performance.
Notes
- MPN: 3511
- Requires Hellwig mounting kit PN 25301 for installation.
- Do not use with factory overload contact springs unless vehicle fitment is confirmed.
- Use with 9703 for SRW applications only.
SKU: 3511
Questions? We’re Here to Help.
Have questions about upgrades for your Ford Super Duty? Contact FASS Motorsports and we’ll get you dialed:
Phone: 636-429-7020
Email: info@fassmotorsports.com
