MaxTrac 903340 1" Rear Lift Box Kit for 2017-2019 Ford F-250 & F-350 4WD

Level the rear of your Super Duty with the MaxTrac 903340 Rear Lift Box Kit. Designed for 2017-2019 Ford F250 and F350 4WD trucks, this heavy-duty kit includes 4-inch lift blocks and extended U-bolts to provide 1 inch of rear lift depending on your truck's factory block height.

Constructed from heavy-duty steel and finished in a durable grey powder coat, the 903340 is built to withstand demanding towing, hauling, and off-road conditions while maintaining proper axle location and dependable performance.

Key Features

1" Rear Lift

Provides approximately 1 inch of rear lift depending on the factory rear block configuration.

Heavy-Duty 4" Lift Blocks

Includes durable 4-inch steel lift blocks engineered for strength and long service life.

Extended U-Bolts Included

Heavy-duty U-bolts provide a secure installation with proper clamping force.

Grey Powder Coat Finish

Corrosion-resistant coating helps protect against rust, road salt, and harsh weather conditions.

Direct Bolt-On Installation

Designed to install using factory mounting points with no cutting or welding required.

Built for Heavy-Duty Trucks

Engineered specifically for Ford Super Duty applications used for towing, hauling, and daily driving.

What's Included

• (2) 4" Rear Lift Blocks
• (2) Heavy-Duty U-Bolts
• Installation Hardware

Vehicle Fitment

Fits

• 2017-2019 Ford F250 4WD
• 2017-2019 Ford F350 4WD

Does Not Fit

• Ford F-250/F-350 Tremor models

Important Notes

• Produces approximately 1 inch of rear lift on 2017-2019 models.
• Actual lift height may vary depending on factory rear block configuration.
• 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 903340?

The MaxTrac 903340 offers a simple and durable way to increase rear ride height on your Super Duty without sacrificing strength. Heavy-duty steel lift blocks and premium hardware make it an excellent choice for trucks used for towing, hauling, or running larger tires.

Perfect For

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

Product Specifications

Part Number: 903340
UPC: 706199412791
Kit Type: Lift / Level
Rear Lift: 1" (Uses 4" Lift Blocks)
Lift Height Options: 4" Block
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Engine Compatibility: Gas, Diesel
Sold As: Combo Kit
Weight: 30 lbs
Dimensions: 18" × 10" × 7"
Country of Origin: China