Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Hellwig 01-07 Chevy Silverado 3500 Hardware Kit for Load Pro Multi Leaf 2500lb/3500lb Helper Springs

SKU: HWG25400

Helper Spring Mounting Kits

HWG LP Mounting Hardware Kits...

Hellwig 01-07 Chevy Silverado 3500 Hardware Kit for Load Pro Multi Leaf 2500lb/3500lb Helper Springs

SKU: HWG25400

Helper Spring Mounting Kits

HWG LP Mounting Hardware Kits...

A$593.45
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.

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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 MOUNT HDWRE KIT

The Mounting Hardware Kit for the Hellwig Load Pro (LP) helper springs include zinc-plated hardware and brackets and is required to be purchased with every LP-25 and LP-35 leaf helper spring kit for proper installation. These kits are vehicle specific to allow the spring kits to mount with no modification.

Additional Information

Load Pro Install Kit GM 73-10 C30; K30; 3500; 3500HD

Part Type

Leaf Helper Spring Mount Kit

Additional Application Notes
• Vehicle Specific Kits Required For All Load Pro Multi Leaf 2500 lbs. And 3500 lbs. Helper Springs 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
• Vehicle Specific Kits Required For All Load Pro Multi Leaf 2500 lbs. And 3500 lbs. Helper Springs
• Vehicle Specific Kits Required For All Load Pro Multi Leaf 2500 lbs. And 3500 lbs. Helper Springs 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

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

  • Install kit for LP25 and LP35
  • Limited Lifetime Warranty
  • Must purchase this kit with LP25 and 35 kits to complete installation

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

Description:Load Pro Install Kit
Material:Steel
Mounting Hardware Included:Yes
Part Number:hwg25400
Title:Hellwig Load Pro Install Kit

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 02:40:43

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Hellwig, Hellwig Products
StreetFX SKU hwg25400
SFX Item ID 4158817
Accounting SKU hwg-25400
Manufacturer SKU 25400
Manufacturer UPC 745662254001
Alternative References 25400, HEL-25400, HEL25400

Helper Spring Mounting Kit, 3 in. Spring Width, Chevy, GMC, Kit

Hellwig helper spring mounting kits are designed to mount the helper spring onto the vehicle. They include new brackets for the helper spring and the correct length U-bolts to attach to the leaf spring. These kits are available for both 2.5 in. and 3 in. wide leaf spring applications.

Product Attributes
BrandHellwig
Manufacturer's Part Number25400
Part TypeHelper Spring Mounting Kits
Product LineHellwig Helper Spring Mounting Kits
UPC745662254001
Leaf Spring Width (in.)3.00
Mounting Bracket IncludedYes
Drilling RequiredNo
Hardware IncludedYes
QuantitySold as a kit.
NotesFits models with seven leaves only.

Manufacturer Attributes
Material Steel
Manufacturer Designation Load Pro Install Kit
Product Class Leaf Helper Spring Mount Kit
Construction/Type Load Pro Install Kit GM 73-10 C30, K30, 3500, 3500HD
Vehicle Brief Hellwig 25400
Market Description The Mounting Hardware Kit for the Hellwig Load Pro (LP) helper springs include zinc-plated hardware and brackets and is required to be purchased with every LP-25 and LP-35 leaf helper spring kit for proper installation. These kits are vehicle specific to allow the spring kits to mount with no modification.

Compatibility

Loading compatibility information...

Keep shopping

More from Hellwig