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Hellwig 04-09 Ford E-350 SD Load Pro - Up To 2500lb Level LC 3 Leaf Helper Spring w/o Mounting Kit

SKU: HWG9510

Suspension Helper Springs

HWG LP-25 Leaf Kits...

Hellwig 04-09 Ford E-350 SD Load Pro - Up To 2500lb Level LC 3 Leaf Helper Spring w/o Mounting Kit

SKU: HWG9510

Suspension Helper Springs

HWG LP-25 Leaf Kits...

A$862.75
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

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.

LP-25 HELPER SPRING

The Hellwig LP-25 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-25 Progressive Rate Load Leveler Helper Springs Dodge; Ford; GM. INSTALL KIT REQUIRED. See fitment notes.

Part Type

Leaf Helper Spring

Additional Application Notes
• 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
• 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• 2500 lbs. Capacity; 3 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
• Single Rear Wheels Requires Install Kit 25250 Fits Cutaway Chassis Only 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Single Rear Wheels 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Single Rear Wheels 2500 lbs. Capacity; 3 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 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 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Requires Install Kit 25300 Fits Motorhome Chassis Only
• Dual Rear Wheels Cutaway Chassis~w/Factory Rear Sway Bar 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Cutaway Chassis 2500 lbs. Capacity; 3 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
• Cutaway Chassis 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Cutaway Chassis 2500 lbs. Capacity; 3 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 (1975-98) or 25335 (1999-2016) Fits Cutaway Chassis Only Cutaway Chassis 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Req. Install Kit [25300] or [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 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Requires Install Kit 25300 (1975-98) or 25335 (1999-2021) Fits Cutaway Chassis Only
• 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly; 2 1/2" kit 25250 or 3" kit 25300
• Req. Install Kit [25300] or [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 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Cutaway Chassis (dual wheel) 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly 25335
• Req. Install Kit [25300] or [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 Cutaway Chassis (dual wheel) 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly 25335 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Req. Install Kit [25300] or [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 2500 lbs. Capacity; 3 Leaf Stack; Mounting Hardware Kit Is Required
• Cutaway Chassis (dual wheel) 2500 lbs. Capacity; 3 Leaf Stack For Leaf Spring Applications; mounting hardware sold seperatly 25335 Cutaway Chassis (dual wheel) 2500 lbs. Capacity mounting hardware sold seperatly 25335 3 Leaf Stack For Leaf Spring Applications

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 LP installation kits)
  • Level Load Capacity up to 2,500lbs
  • 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-25 Progressive Rate Load Leveler Helper Springs
Material:Steel
Mounting Hardware Included:No
Part Number:hwg9510
Title:Hellwig LP-25 Progressive Rate 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 02:40:46

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Hellwig, Hellwig Products
StreetFX SKU hwg9510
SFX Item ID 4158833
Accounting SKU hwg-9510
Manufacturer SKU 9510
Manufacturer UPC 745662095109
Alternative References HEL-9510, HEL9510

Helper Spring, LP-25, Black Powdercoated, Constant Rate, Chevy, Dodge, Ford, Kit

These LP-25 constant rate helper spring kits from Hellwig ensure improved side-to-side leveling control. Made from high-quality alloy spring steel and hot-formed and heat-treated for strength and durability, they are designed to virtually eliminate sagging. Featuring a 2,500 lb. level load capacity, these springs are best for vehicles carrying a constant load, such as motor homes, commercial vehicles, and trucks with utility beds.

Product Attributes
BrandHellwig
Manufacturer's Part Number9510
Part TypeSuspension Helper Springs
Product LineHellwig LP-25 Constant Rate Helper Spring Kits
UPC745662095109
Maximum Safe Load2,500 lbs.
Spring FinishBlack
Drilling RequiredNo
Installation Kit RequiredYes
Hardware IncludedNo
QuantitySold as a kit.
NotesDesigned for single rear wheel vans. Do not use with factory contact overload springs.

Manufacturer Attributes
Color Silver Hammertone
Manufacturer Designation LP-25 Progressive Rate Load Leveler Helper Springs
Product Class Leaf Helper Spring
Construction/Type LP-25 Progressive Rate Load Leveler Helper Springs Dodge, Ford, GM. INSTALL KIT REQUIRED. See fitment notes.
Vehicle Brief Hellwig 9510
Market Description The Hellwig LP-25 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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