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Hellwig 11-21 Ford F-250 Load Pro- Up To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit

SKU: HWG3511

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

Hellwig 11-21 Ford F-250 Load Pro- Up To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit

SKU: HWG3511

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

A$1,147.05
IN STOCK! Est Ship 3-5 days. In stock at 3 locations (more than 10 available)

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Description

Exclusive Hellwig flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Hellwig part numbers. There's never been a better time to buy your Hellwig upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Helper Spring Kit - LP-35 - Add-A-Leaf - Stock Height - Rear - Steel - Silver Powder Coat - Ford Fullsize Truck 2011-15 - Kit

LP-35 HELPER SPRING

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.ATTENTION: MUST PURCHASE LP MOUNTING KIT FOR INSTALLATION. IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS, CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR YEAR AND MODEL VEHICLE.

Additional Information

LP-35 Heavy Duty Load Leveling Helper Springs Ford 11-25 F250/350 2WD/4WD, 17-25 F450 2WD/4WD Pickup, 16-25 F250/350/450/550 Cab & Chassis 2WD/4WD Requires PN[25301] mounting kit: Do Not Use w/Factory Overload Contact Springs or use 9703

Part Type

Leaf Helper Spring

Product Overview

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.

Additional Application Notes
• 3500 lbs. Capacity; 4 Leaf Stack; Requires PN[25301]
• For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4830] Spacer For A 4 in. Rear Lift~Use PN[4828] Spacer For A 2 in. Rear Lift And~Must Remove Factory Overload Springs Or Use 9703 Contact Overload Helper 3500 lbs. Capacity; 4 Leaf Stack; Requires PN[25301]
• 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware 3500 lbs. Capacity Requires PN[25301] mounting hardware or use 9703 Do Not Use w/Factory Overload Contact Springs 4 Leaf Stack
• Must Remove Factory Overload Springs Or Use 9703 Contact Overload Helper 3500 lbs. Capacity; 4 Leaf Stack; Requires PN[25301]
• Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive Up to 3500 lbs. load assist Requires PN[25301] mounting hardware or use 9703 Do Not Use w/Factory Overload Contact Springs 4 Leaf Stack 2 and 4 wheel drive

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-09 11:20:14

Features

  • 1 ton applications
  • Easy Installation
  • Install Kit Required (see Load Pro installation kits)
  • Level Load Capacity up to 3500lbs
  • Limited Lifetime Warranty
  • Tunable

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Adjustable Length:Yes
Color:Silver Hammertone
Description:LP-35 Heavy Duty Load Leveling Helper Springs
Material:Steel
Mounting Hardware Included:No
Part Number:hwg3511
Title:Hellwig LP-35 Heavy Duty Load Leveler Helper Springs

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:40:47

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Hellwig, Hellwig Products
StreetFX SKU hwg3511
SFX Item ID 4158835
Accounting SKU hwg-3511
Manufacturer SKU 3511
Manufacturer UPC 745662035112
Alternative References HEL-3511, HEL3511

Helper Springs, LP-35, Black Powdercoated, Rear, Ford, Kit

Hellwig LP-35 helper spring kits are fully adjustable to ensure improved side-to-side leveling control. Made from high-quality alloy spring steel, hot-formed and heat-treated for strength and durability, these suspension helper springs can virtually eliminate sagging. Featuring a 4-leaf stack with a 3,500 lb. level load capacity, LP-35 springs offer the maximum in carrying capacity and are recommended for 3/4 and 1 ton applications. An installation kit (sold separately) is required for most models. Order the spring kit tailored for fitment on your specific vehicle.

Product Attributes
UPC745662035112
BrandHellwig
QuantitySold as a kit.
Part TypeSuspension Helper Springs
Product LineHellwig LP-35 Helper Spring Kits
Spring FinishBlack
Drilling RequiredNo
Hardware IncludedNo
Maximum Safe Load3,500 lbs.
Installation Kit RequiredYes
Manufacturer's Part Number3511

Manufacturer Attributes
Color Silver Hammertone
Manufacturer Designation LP-35 Heavy Duty Load Leveling Helper Springs
Not Applicable for Vehicles Equipped w/ Load Leveling Sensors
Product Class Leaf Helper Spring
Construction/Type LP-35 Heavy Duty Load Leveling Helper Springs Ford 11-25 F250/350 2WD/4WD, 17-25 F450 2WD/4WD Pickup, 16-25 F250/350/450/550 Cab & Chassis 2WD/4WD Requires PN[25301] mounting kit: Do Not Use w/Factory Overload Contact Springs or use 9703
Not Applicable for Vehicles Equipped w/ Load Leveling Sensors
Vehicle Brief Hellwig 3511
Market Description The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.

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