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Hellwig 79-95 GMC G1500 Load Pro- Up To 3500lb Level LC 4 Leaf Helper Spring w/o Mounting Kit

SKU: HWG9511

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

Hellwig 79-95 GMC G1500 Load Pro- Up To 3500lb Level LC 4 Leaf Helper Spring w/o Mounting Kit

SKU: HWG9511

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

A$1,106.51
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

LP-35 HD HELPER SPR

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 Information

LP-35 Heavy Duty Load Leveler Helper Springs Classic Dodge; Ford; GM. See Vehicle Fitment.

Part Type

Leaf Helper Spring

Additional Application Notes
• 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required 3500 lbs. Capacity; 4 Leaf Stack; 3500 lbs. Capacity 4 Leaf Stack
• 3500 lbs. Capacity; 4 Leaf Stack; 3500 lbs. Capacity 4 Leaf Stack
• Requires Install Kit 25250 Fits Cutaway Chassis Only 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly; 2 1/2" kit 25250 or 3" kit 25300
• Requires Install Kit 25250 Fits Cutaway Chassis Only 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Requires Install Kit 25250 Fits Cutaway Chassis Only
• 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly; 2 1/2" kit 25250 or 3" kit 25300 2500 lbs. Capacity mounting hardware sold seperatly 3 Leaf Stack For Leaf Spring Applications 2 1/2" kit 25250 or 3" kit 25300
• Requires Install Kit 25300 Fits Cutaway Chassis Only
• Requires Install Kit 25300 Fits Motorhome Chassis Only
• Dual Rear Wheels Cutaway Chassis~w/Factory Rear Sway Bar 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Fits cutaway chassis only. Requires install kit 25300
• Cutaway Chassis 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Requires Install Kit 25300 (1975-98) or 25335 (1999-2016) Fits Cutaway Chassis Only Cutaway Chassis 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Cutaway Chassis (dual Wheel) 3500 lbs. Capacity; 4 Leaf Stack; Requires Install Kit 25335 sold separately Cutaway Chassis (dual Wheel) 3500 lbs. Capacity Requires Install Kit 25335 sold separately 4 Leaf Stack
• Sold Separately~Req. Install Kit [25335]~Cutaway Chassis~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4822] Spacer For A 2 in. Rear Lift And~PN[4824] Spacer For A 4 in. Rear Lift~w/Factory Rear Sway Bar Dual Rear Wheels 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Sold Separately~Req. Install Kit [25335]~Cutaway Chassis~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4822] Spacer For A 2 in. Rear Lift And~PN[4824] Spacer For A 4 in. Rear Lift Dual Rear Wheels 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required
• Sold Separately~Req. Install Kit [25335]~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4822] Spacer For A 2 in. Rear Lift And~PN[4824] Spacer For A 4 in. Rear Lift Cutaway Chassis (dual Wheel) 3500 lbs. Capacity; 4 Leaf Stack; Requires Install Kit 25335 sold separately Cutaway Chassis (dual Wheel) 3500 lbs. Capacity 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required Requires Install Kit 25335 sold separately 4 Leaf Stack
• Sold Separately~Req. Install Kit [25335]~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4822] Spacer For A 2 in. Rear Lift And~PN[4824] Spacer For A 4 in. Rear Lift
• Sold Separately~Req. Install Kit [25335]~For Air Bags On Lifted Vehicles Using Non-Tapered Lift Block~Use PN[4822] Spacer For A 2 in. Rear Lift And~PN[4824] Spacer For A 4 in. Rear Lift Dual Rear Wheels Cutaway Chassis (dual Wheel) 3500 lbs. Capacity; 4 Leaf Stack; Requires Install Kit 25335 sold separately Cutaway Chassis (dual Wheel) 3500 lbs. Capacity 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required Requires Install Kit 25335 sold separately 4 Leaf Stack
• Cutaway Chassis (dual Wheel) 3500 lbs. Capacity; 4 Leaf Stack; Requires Install Kit 25335 sold separately Cutaway Chassis (dual Wheel) 3500 lbs. Capacity 3500 lbs. Capacity; 4 Leaf Stack; Mounting Hardware Kit Is Required Requires Install Kit 25335 sold separately 4 Leaf Stack
• Cutaway Chassis (dual Wheel) 3500 lbs. Capacity; 4 Leaf Stack; Requires Install Kit 25335 sold separately

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 15:16:00

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 Leveler Helper Springs
Material:Steel
Mounting Hardware Included:No
Part Number:hwg9511
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 02:40:48

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Hellwig, Hellwig Products
StreetFX SKU hwg9511
SFX Item ID 4158842
Accounting SKU hwg-9511
Manufacturer SKU 9511
Manufacturer UPC 745662095116
Alternative References HEL-9511, HEL9511

Helper Spring, LP-35, Black Powdercoated, Chevy, Dodge, 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
BrandHellwig
Manufacturer's Part Number9511
Part TypeSuspension Helper Springs
Product LineHellwig LP-35 Helper Spring Kits
UPC745662095116
Maximum Safe Load (lbs.)3,500 lbs.
Spring FinishBlack
Drilling RequiredNo
Installation Kit RequiredYes
Hardware IncludedNo
QuantitySold as a kit.

Manufacturer Attributes
Color Silver Hammertone
Manufacturer Designation LP-35 Heavy Duty Load Leveler Helper Springs
Product Class Leaf Helper Spring
Construction/Type LP-35 Heavy Duty Load Leveler Helper Springs Classic Dodge, Ford, GM. See Vehicle Fitment.
Vehicle Brief Hellwig 9511
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.

Compatibility

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