Hellwig Load Pro 35 Helper Spring | Rear Axle | 3500 lbs. Capacity

SKU HW3510-25400

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Product Specifications

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Product Specs for Hellwig 3510-25400

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Hellwig 3510-25400 Details

Hellwig Load Pro 35 Helper Springs

This Hellwig helper spring set features Progressive Spring Rate and Fulltime Spring Rate design, this spring is the workhorse of the Hellwig Spring line. With the Progressive design the vehicle must be loaded and its spring compressed to activate the Hellwig Spring, therefore as the vehicles load increases the Hellwig Helper Spring progressively increases its resistance to the load. In the Fulltime design the Hellwig Spring reacts immediately to the vehicles load, compressing very little as a load is applied to the vehicle.

Manufactured with heat treated ASTM 5160 alloy spring steel these units increase your vehicles level load carrying capacity up to the manufacturer’s Gross Vehicle Weight Rating. Designed to install on full size pick-up trucks and vans, this unit requires mounting hardware to accommodate 2 1/2" or 3" wide leaf springs. Ideal for helping manage your load more efficiently, these kits are easy to install and require little or no maintenance. Just “Set it and forget it”. The LP 35 is rated at 3500lbs level load carrying capacity, do not exceed the Gross Vehicle Weight Rating.

The Hellwig Load Pro 35 Series helper spring is designed for full sized pickup trucks, vans, RVs, and sport utility vehicles. The kit contains 2 heavy duty leaf assemblies that run over both sides of the axle. A mounting hardware kit is included with these heavy duty helper springs.

Hellwig Load Pro 25 Helper Springs
Features & Benefits
  • Made with high-quality alloy spring steel.
  • Engineered for the heaviest loads.
  • Up to 3500 lb. level load capacity.
  • Heat-treated for strength and durability.
  • Recommended for 3/4 Ton and 1 Ton Applications.
  • 4-Leaf Stack.
  • Progressive Rate Design is Fully Adjustable.
  • Factory ride is unaffected when vehicle is unloaded.
  • Includes mounting kit.

Vehicle Application Guide for Hellwig 3510-25400

The HW3510-25400 Hellwig Load Pro 35 Helper Spring | Rear Axle | 3500 lbs. Capacity is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Hellwig Helper Springs to view all vehicle makes and models.

  • Chevrolet
  • GMC
YearMakeModelVehicle OptionInstallation Notes
1975 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1976 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1977 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1978 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1979 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1980 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1981 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1982 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1983 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1984 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1985 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1986 Chevrolet C30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1994 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1995 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1996 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1997 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1999 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
2000 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1988 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1989 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1990 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1991 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1992 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1993 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1998 Chevrolet C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1988 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1998 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1999 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
2000 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1989 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1990 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1991 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1992 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1993 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1994 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1995 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1996 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1997 GMC C3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1977 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1978 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1979 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1980 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1981 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1982 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1983 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1984 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1985 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1986 Chevrolet K30Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1994 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1995 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1996 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1997 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1999 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
2000 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1988 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1989 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1990 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1991 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1992 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1993 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1998 Chevrolet K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1988 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1998 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1999 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
2000 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1989 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1990 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1991 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1992 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1993 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1994 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1995 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1996 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1997 GMC K3500Fits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload springs.
1973 Chevrolet C30 PickupFits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1974 Chevrolet C30 PickupFits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1973 Chevrolet K30 PickupFits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.
1974 Chevrolet K30 PickupFits 2 Wheel Drive; Fits 4 Wheel DriveMust remove factory overload contact springs, removal of contact overload springs may require U-bolt and center bolt replacement.

Customer Q&A - Hellwig 3510-25400


Hellwig

TruckSpring is a warehouse distributor for Hellwig products and we have been installing Hellwig air spring kits, Hellwig sway bars and Hellwig steel helper springs kits at our shop for years at our Michigan repair facility. We have a great working relationship with Hellwig and are very familiar with all of their suspension products. Hellwig products are made in the USA and we highly recommend them.

The history of Hellwig Products Co, Inc. began in Kansas City, Kansas in the early forties. With son Donald by his side, Rudolph, " Ruddy" Hellwig, began designing and manufacturing "Helper Springs". The business was moved to Southern California in the mid forties and incorporated in 1946.

By the mid 60's the company's southern California location proved to be to small and Don moved the Manufacturing facility to its current location in Visalia, California. Throughout the years Hellwig products has developed innovative suspension products that help vehicles handle loads and control sway. Products include Anti-Sway bars aftermarket and O.E.M. Also the most popular and imitated load assist products ever introduced to the light truck aftermarket, the "Load Pro 25 Series".

With a third generation of Hellwig, Don's son Mark directing the business a whole new series of innovations is being introduced. Included in these innovations is the "Next Generation" of load assist springs the patented "Pro Series" line of springs. Plus, a unique adjustable feature on new Anti-sway bar designs. Hellwig is proud to introduce the "FastRack" motorcycle racking system for toyhaulers and light trucks. Now beginning its 60th year Hellwig Products continues to introduce new materials, processes and manufacturing techniques into its product lines.

For more information visit www.hellwigproducts.com

Hellwig Warranty

Limited Lifetime Warranty

On steel helper springs and sway bars

2 Year Limited Warranty

On Hellwig Air bag kits

What the Warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime. Hellwig’s warranties are non-transferrable.

You can view the full details of Hellwig’s warranty here.

How to get service

Contact Hellwig directly for Warranty claims at 1-800-HELLWIG (435-5944).
Hellwig Products Co., Inc.
16237 Avenue 296
Visalia, CA 93292

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