AirLift Rear Helper Spring Kit for 1999-2004 Ford F-250 Super Duty 4WD – LoadLifter 5000 Ultimate

Description
AirLift Rear Helper Spring Kit for 1999-2004 Ford F-250 Super Duty 4WD – LoadLifter 5000 Ultimate

AirLift Helper Spring Kit for 1999-2004 Ford F-250 Super Duty 4WD

Part Number: 88390

Summary:
The AirLift LoadLifter 5000 Ultimate is a frame-mounted helper spring kit designed to provide up to 5,000 pounds of load leveling capacity. This system features air springs with an internal closed-cell urethane foam jounce bumper, allowing the vehicle to be operated safely with zero air pressure. The kit is air-adjustable from 5 to 100 PSI to support the vehicle’s existing leaf springs when towing or hauling.

This product is intended for load support or component replacement only and does not alter factory suspension geometry unless explicitly stated.

Features

• Internal Jounce Bumper: An internal closed-cell urethane foam bumper absorbs shock and allows the springs to be operated with zero air pressure.
• Load Leveling Capacity: Provides up to 5,000 pounds of leveling capacity to keep the vehicle stable while loaded.
• Roll Plates: Includes upper and lower roll plates to protect the air springs from sharp edges and increase load capacity by up to 10 percent.
• Construction: Air springs are reinforced with 2-ply fabric and feature end caps made of high-strength nylon composite.

Technical Specifications

Fitment

• 1999-2004 Ford F-250 Super Duty 4WD (Fits vehicles with in-bed hitches)

What’s Included

• 2 Air Springs with Internal Jounce Bumpers
• Mounting Brackets
• Roll Plates
• Air Lines
• Schrader Valves and Fittings
• Heat Shield
• Installation Hardware
• Illustrated Instruction Manual

Why This Product Exists

• Purpose: This kit addresses vehicle squat and instability by providing up to 5,000 pounds of leveling support for heavy loads.
• Application: Used in conjunction with factory leaf springs on 4WD Ford F-250 Super Duty models, specifically for towing and hauling applications.

Frequently Asked Questions

Does this product increase vehicle lift?
No. This product does not increase ride height unless explicitly stated by the manufacturer.

Is this product intended for towing?
Yes. This product is designed to provide load leveling capacity for towing and hauling heavy loads.

Does this product change GVWR?
No. GVWR is determined by the vehicle manufacturer and is not altered by this product.