MaxTrac 903380 5" Rear Lift Box Kit for 2017-2019 Ford F-250 & F-350 4WD

Give your Super Duty the aggressive stance and rear ride height it deserves with the MaxTrac 903380 Rear Lift Box Kit. Designed specifically for 2017-2019 Ford F-250 and F-350 4WD trucks, this heavy-duty kit includes 8-inch steel lift blocks and extended U-bolts to provide a true 5-inch rear lift while maintaining proper axle alignment and dependable load-carrying performance.

Constructed from high-strength steel and finished in MaxTrac's durable grey powder coat, the 903380 is built to handle towing, hauling, off-road adventures, and everyday driving while delivering long-lasting reliability.

Key Features

True 5" Rear Lift

Provides approximately 5 inches of rear lift on 2017-2019 Ford Super Duty models.

Heavy-Duty 8" Lift Blocks

Includes rugged 8-inch steel lift blocks engineered for maximum strength and durability.

Extended U-Bolts Included

Heavy-duty U-bolts ensure secure axle retention and proper installation.

Grey Powder Coat Finish

Corrosion-resistant powder coating protects against rust, road salt, and harsh weather.

Direct Bolt-On Installation

Designed to install using factory mounting locations without cutting or welding.

Built for Heavy-Duty Use

Perfect for towing, hauling, larger tires, and lifted Super Duty builds.

What's Included

• (2) 8" Rear Lift Blocks
• (2) Heavy-Duty U-Bolts
• Installation Hardware

Vehicle Fitment

Fits

• 2017-2019 Ford F-250 Super Duty 4WD
• 2017-2019 Ford F-350 Super Duty 4WD

Does Not Fit

• Ford F-250/F-350 Tremor models

Important Notes

• Produces approximately 5 inches of rear lift on 2017-2019 models.
• Professional installation is recommended.

Wheel Recommendations

• Maximum recommended wheel width: 9 inches.
• Minimum recommended backspacing: 4.5 inches.
• Wheels outside these specifications may void the manufacturer warranty.

Why Choose the MaxTrac 903380?

The MaxTrac 903380 offers a dependable solution for increasing rear ride height without compromising strength or durability. Heavy-duty steel lift blocks and premium hardware ensure reliable performance for work trucks, tow rigs, and off-road builds while delivering the aggressive stance Super Duty owners want.

Perfect For

• Rear suspension lifts
• Towing and hauling
• Larger tire installations
• Work trucks
• Daily drivers
• Off-road builds

Product Specifications

Part Number: 903380
UPC: 706199414931
Kit Type: Lift
Rear Lift: 5"
Lift Block Height: 8"
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Engine Compatibility: Gas, Diesel
Sold As: Combo Kit
Weight: 37 lbs
Dimensions: 18" × 10" × 7"
Country of Origin: China