MaxTrac K943385L 8" Lift Kit with Forged Aluminum 4-Links & MaxTrac Shocks for 2017-2022 Ford F-250 & F-350 Super Duty 4WD Diesel

Premium 4-Link Performance with Maximum Lift

Transform your 2017–2022 Ford F-250 or F-350 Super Duty 4WD Diesel with the MaxTrac K943385L Lift Kit. This premium suspension system delivers an 8-inch front lift and 5-inch rear lift using heavy-duty diesel lift coils, forged aluminum 4-links, a track bar bracket, sway bar brackets, bump stop extensions, pitman arm, rear lift blocks, replacement U-bolts, and matched MaxTrac front and rear shocks. Designed to maintain proper suspension geometry while providing clearance for up to 40-inch tires, this kit is built for serious off-road capability and aggressive styling.

Key Features

Complete 8"/5" Suspension Lift System

A premium suspension package engineered for maximum ground clearance, excellent ride quality, and superior off-road performance.

Heavy-Duty Diesel Lift Coils

Designed specifically for diesel-powered Super Duty trucks to properly support the added front-end weight while delivering consistent lift height.

Forged Aluminum 4-Link System

Replaces the factory radius arms with high-strength forged aluminum 4-links for improved suspension articulation, steering response, and long-term durability.

Complete Steering & Suspension Correction

Includes a track bar bracket, sway bar brackets, bump stop extensions, and pitman arm to maintain proper suspension geometry and steering performance after lifting.

MaxTrac Front & Rear Shocks Included

Includes (2) MaxTrac 2900SL-8 front shocks and (2) MaxTrac 3400LL-4 rear shocks for exceptional ride comfort, stability, and suspension control.

Heavy-Duty Powder-Coated Steel Construction

Premium suspension components feature a durable grey powder-coated finish for outstanding corrosion resistance and long-lasting performance.

What's Included

Front diesel lift coils
Forged aluminum 4-links
Track bar bracket
Sway bar brackets
Bump stop extensions
Pitman arm
Rear lift blocks
Rear U-bolts
(2) MaxTrac 2900SL-8 front shocks
(2) MaxTrac 3400LL-4 rear shocks
Installation hardware (where supplied by manufacturer)

Vehicle Fitment

Fits

2017–2022 Ford F-250 Super Duty 4WD Diesel
2017–2022 Ford F-350 Super Duty 4WD Diesel

Does Not Fit

2WD models

Important Notes

Requires 17-inch wheels or larger with 5.5 inches of backspacing or less.
Clears up to 40x13.50 tires on 8-inch to 9-inch wide wheels.
Minor fender trimming may be required depending on wheel and tire combination.
Does not fit 2WD models.
Kits may fit gas models but have not been tested on them.
2020+ dually models require removing the top-side overload spring and spacer block.
Models equipped with a factory rear sway bar require MaxTrac Part #9433RSB.
MaxTrac does not recommend using wheels wider than 9 inches or wheels with less than 4.5 inches of backspacing. Failure to follow these recommendations may void the manufacturer's warranty.

Product Specifications

Brand: MaxTrac Suspension
Part Number: K943385L
UPC: N/A
Engine Type: Diesel
Product Type: Lift Kit
Kit Type: Lift/Level
Front Lift: 8 Inches
Rear Lift: 5 Inches
Lift Height Option: 8 Inches
Shock Option: MaxTrac
Kit Design: Forged Aluminum 4-Links
Front Shock Details: (2) MaxTrac 2900SL-8 Front Shocks
Rear Shock Details: (2) MaxTrac 3400LL-4 Rear Shocks
Material: Steel
Finish: Grey Powdercoat
Color: Grey
Sold As: Kit
Weight: 325 lbs
Multiple Box Item: Yes

Why Choose the MaxTrac K943385L?

The MaxTrac K943385L is the premium 4-link version of MaxTrac's 8-inch Super Duty lift system. Featuring forged aluminum 4-links, diesel lift coils, steering correction components, rear lift hardware, and matched MaxTrac shocks, this complete suspension package delivers exceptional strength, improved articulation, and clearance for up to 40-inch tires.

Perfect For

2017–2022 Ford F-250 Super Duty 4WD Diesel owners
2017–2022 Ford F-350 Super Duty 4WD Diesel owners
40-inch tire upgrades
Off-road enthusiasts
Heavy-duty work trucks
Premium suspension builds