MaxTrac 203430 F-150 4WD 4" Rear Lowering Box Kit

Bring Your 4WD F-150 Down with a 4" Rear Drop

Give your 2009–2014 Ford F-150 4WD a lower street-truck stance with the MaxTrac 203430 4" Rear Lowering Box Kit. This complete rear suspension package combines a flip kit, hangers, shackles, bump stops, and two MaxTrac 2400LL-9 rear shocks to provide the primary components needed for a 4" rear drop.

By packaging the major lowering components together, the 203430 simplifies a rear suspension conversion while providing shocks matched to the reduced ride height.

Key Features

4" Rear Lowering

Provides approximately 4 inches of rear drop on compatible 2009–2014 Ford F-150 4WD trucks.

Rear Axle Flip Kit

The included flip kit changes the rear axle-to-leaf-spring relationship to create the primary suspension drop.

Hangers & Shackles Included

Matched rear hangers and shackles work with the flip system to establish the intended lowered suspension height.

Two MaxTrac 2400LL-9 Rear Shocks

Includes two 2400LL-9 rear shocks matched to the reduced rear suspension height and travel.

Complete Rear Lowering Package

Combines the primary flip kit, hangers, shackles, bump stops, and shocks into one matched rear suspension package.

What's Included

Rear axle flip kit
Rear hangers
Rear shackles
Rear bump stops
(2) MaxTrac rear shocks (2400LL-9)
Installation hardware as supplied by MaxTrac

Vehicle Fitment

Fits

2009–2014 Ford F-150 4WD

Important Notes

Provides approximately 4" of rear lowering on compatible 4WD models.
Two 2400LL-9 rear shocks are included with the rear lowering box kit.
MaxTrac does not recommend wheels wider than 9" or wheels with less than 4.5" backspacing. Using wheels outside these recommendations will void applicable manufacturer warranties.

Product Specifications

Brand: MaxTrac Suspension
Part Number: 203430
UPC: 706199417406
Tariff: 8708.80.6510
Kit Type: Lower
Product Type: Rear Lowering Box Kit
Position: Rear
Drive: 4WD
Rear Drop: 4"
Flip Kit Included: Yes
Hangers Included: Yes
Shackles Included: Yes
Bump Stops Included: Yes
Rear Shocks Included: Yes
Rear Shock Part Number: 2400LL-9
Rear Shock Quantity: 2
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Sold As: Each
Weight: 48 lbs
Dimensions: 20" × 20" × 8"
Multiple Box Item: No
Origin Criterion: B
Unit of Measure: IN
Country of Origin: China

Why Choose MaxTrac 203430?

The MaxTrac 203430 brings the primary rear suspension components for a 4" F-150 4WD drop together in one package. The axle flip system, hangers, and shackles establish the lowered configuration, while the included bump stops accommodate the reduced suspension clearance.

Two MaxTrac 2400LL-9 rear shocks complete the package and are matched to the lowered suspension travel, eliminating the need to source the rear shocks separately.

Perfect For

2009–2014 F-150 4WD street trucks
4" rear lowering projects
Rear axle flip conversions
Lowered leaf spring suspension
F-150 stance builds
MaxTrac 2400LL-9 shock setups