MaxTrac K943385V F-250/F-350 8" Lift Kit Vulcan Shocks

Heavy-Duty 8" Suspension Lift with Vulcan IFP Shocks

Take your 2017–2022 Ford F-250 or F-350 4WD diesel to the next level with the MaxTrac K943385V suspension lift kit. Delivering 8" front / 5" rear lift, this complete system includes heavy-duty diesel lift coils, radius arm drop brackets, steering and suspension correction components, rear lift blocks, U-bolts, and Vulcan Series IFP shocks at all four corners. Built for an aggressive Super Duty stance with clearance for up to 40" x 13.50" tires on compatible wheels.

Key Features

8" Front Diesel Lift Coils

Heavy-duty front coil springs provide 8" of lift specifically for diesel-powered Super Duty trucks.

Radius Arm Drop Brackets

Included brackets reposition the factory radius arms to accommodate the increased suspension height.

Steering & Suspension Correction

Includes a track bar bracket, sway bar brackets, bump stop extensions, and pitman arm for the lifted setup.

5" Rear Suspension Lift

Rear lift blocks and U-bolts provide the specified 5" rear lift.

Vulcan Series IFP Shocks

Four Vulcan IFP shocks provide front and rear suspension damping for the lifted truck.

Up to 40" Tire Clearance

Designed to clear up to 40" x 13.50" tires on compatible 8"–9" wide wheels. Fender trimming may be required.

What's Included

753380: 8" front diesel lift coils
943300-5: Front suspension brackets, steering components & installation hardware
943300-2: Radius arm drop brackets
903380: Rear lift blocks & U-bolts
943380V: Vulcan Series IFP shock package
2900SLV-4: (2) Front Vulcan shocks
3400LLV-4: (2) Rear Vulcan shocks

Vehicle Fitment

Fits: 2017–2022 Ford F-250 / F-350 Super Duty 4WD diesel models
Does Not Fit: 2WD models
Gas Models: Not intended for gasoline engines. Installation on gas models may produce an additional 1.5"–2" of front lift and is not recommended.

Important Notes

Wheels: Requires 17" or larger rims with 4.5"–5.5" backspacing and a maximum width of 9". Wheels wider than 9" or with less than 4.5" backspacing void manufacturer warranties.
Tires: Clears up to 40" x 13.50" on 8"–9" wide rims. Fender trimming may be required.
2020–2022 Dually Models: Requires removal of the top-side overload spring and spacer block.
Rear Lift Blocks: Rear block assembly has an 8" physical block height but provides the specified 5" rear lift.
Year Range: This complete kit is listed for 2017–2022 trucks. Some individual components are also listed for newer model years; verify complete kit compatibility before ordering for 2023 or newer trucks.

Product Specifications

Brand: MaxTrac Suspension
Part Number: K943385V
Kit Type: Suspension Lift
Front Lift: 8"
Rear Lift: 5"
Engine: Diesel
Drive: 4WD
Vehicle Series: F-250 / F-350 Super Duty
Front Lift Coils: 753380
Brackets & Hardware: 943300-5
Radius Arm Brackets: 943300-2
Rear Lift Box: 903380
Rear Block Physical Height: 8"
Shock Package: 943380V
Front Shocks: 2900SLV-4 (2 Included)
Rear Shocks: 3400LLV-4 (2 Included)
Shock Series: Vulcan IFP
Kit Design: Radius Arm Drop Brackets
Front Components: Diesel Coils, Radius Arm Brackets, Track Bar Bracket, Sway Bar Brackets, Bump Stop Extensions & Pitman Arm
Rear Components: Lift Blocks, U-Bolts & Shocks
Maximum Tire Size: 40" x 13.50"
Recommended Wheel Width: 8"–9"
Minimum Wheel Size: 17"
Wheel Backspacing: 4.5"–5.5"
Material: Steel Suspension Components
Finish: Grey Powder Coat
Weight: 225 lbs
Sold As: Kit
Multiple Boxes: Yes