Hellwig EZ-550 Leaf Spring Helper Kit Adjustable 500lb

Description

Product Overview

The Hellwig EZ-550 Leaf Spring Helper Kit is engineered to sit on top of the rear leaf springs of light‑duty trucks, working in tandem with the factory spring pack to increase level‑load rating. Each kit contains machined steel components, heavy‑duty U‑bolts, and powder‑coated hardware for corrosion resistance. Manufactured in the USA from heat‑treated ASTM 5160 alloy spring steel, the kit is rated for up to 500 lb of additional load capacity. Dimensions are compact at 6 × 2.5 × 2 inches and the entire assembly weighs 12 lb, making handling and installation straightforward.

Usage

This helper spring is ideal for owners who regularly carry light cargo, tow small trailers, or need extra stability when hauling equipment. It performs best on trucks used for daily work, weekend projects, or recreational hauling where the stock suspension may be near its limit. The adjustable design allows you to fine‑tune the preload to match varying load conditions, ensuring a smooth ride and consistent tire wear.

Why Choose Us

Hellwig’s reputation for durable suspension components backs this kit. Made in a California facility, each spring undergoes heat treatment and precision machining to meet strict quality standards. The powder‑coated finish protects against rust, extending service life even in harsh climates. Our kits include all necessary hardware and clear, step‑by‑step instructions, eliminating the need for specialty tools or professional installation.

Key Features

• Adds up to 500 lb of level‑load capacity for light towing and hauling.
• Heat‑treated ASTM 5160 alloy steel ensures strength and durability.
• Powder‑coated finish resists corrosion for long‑term outdoor use.
• Fully adjustable with included heavy‑duty U‑bolts for custom preload.
• Comes with complete hardware and easy‑to‑follow installation guide.

FAQ

Can the EZ-550 be used on heavy‑duty trucks?

The EZ-550 is designed for light‑duty applications and is rated for up to 500 lb of additional load. For heavier trucks, consider Hellwig’s heavy‑duty helper spring kits.

Do I need any special tools to install the kit?

No special tools are required. Standard hand tools such as a socket set and torque wrench are sufficient for the bolt‑on installation.

Is the kit compatible with all truck makes and models?

The kit fits most rear leaf‑spring configurations on light‑duty trucks. Verify clearance and mounting points before purchase.

How do I adjust the preload after installation?

Loosen the U‑bolts, reposition the spring to achieve the desired preload, and retighten the bolts to the specified torque.

What warranty does Hellwig provide?

Hellwig offers a limited one‑year warranty covering material defects for the EZ-550 helper spring kit.