Lower Your 2009–2014 Ford F-150 the Right Way

Give your 2009–2014 Ford F-150 a cleaner stance and improved street-truck appearance with the MaxTrac 203440 Rear Lowering Box Kit. Designed for both 2WD and 4WD models, this complete rear suspension lowering package delivers a 4-inch rear drop on 2WD trucks and approximately 5 inches of rear drop on 4WD models.

Built from heavy-duty steel and finished in durable grey powdercoat, the MaxTrac 203440 kit includes a rear flip kit with hangers, bump stops, and matched MaxTrac rear shocks for dependable ride quality and long-lasting performance.

Perfect for daily drivers, custom builds, and lowered street trucks looking for improved stance without sacrificing comfort.

Key Features

4" Rear Drop on 2WD Models

Provides a lower, more aggressive stance while maintaining ride comfort.

5" Rear Drop on 4WD Models

Helps level out factory rake and delivers a clean lowered look.

Complete Rear Lowering Package

Includes flip kit, hangers, bump stops, and rear shocks for a complete installation.

Includes MaxTrac Rear Shocks

Matched 2400LL-9 shocks improve suspension control and ride quality.

Heavy-Duty Steel Construction

Built for durability, strength, and long-term reliability.

Grey Powdercoat Finish

Corrosion-resistant finish helps protect against rust and wear.

Bolt-On Installation

Designed for straightforward installation using factory mounting locations.

What’s Included

Rear Flip Kit with Hangers
(303240)

Rear Bump Stops

Rear MaxTrac Shocks
(2400LL-9 x2)

Installation Hardware

Vehicle Fitment

Fits

2009–2014 Ford F-150

Compatible With

2WD Models
(4" Rear Drop)

4WD Models
(5" Rear Drop)

Gas engines only

Important Notes

This box kit is designed to be used with front lowering components to create a complete 2"/4" lowering kit

Models equipped with factory lift blocks will achieve additional drop equivalent to the height of the factory block

When ordering shocks separately, quantity 2 is required since shocks are sold individually

Not recommended for wheels wider than 9" or wheels with less than 4.5" backspacing
(use may void manufacturer warranty)

Product Specifications

Part Number: 203440

UPC: 738283446849

Tariff Code: 8708.80.6510

Rear Drop: 4" (2WD) / 5" (4WD)

Kit Type: Lowering Kit

Material: Steel

Finish: Grey Powdercoat

Color: Grey

Shock Details: Rear 2400LL-9 (x2)

Engine Compatibility: Gas

Weight: 45 lbs

Dimensions: 20" x 20" x 8"

Country of Origin: China

Sold As: Complete Kit

Why Choose MaxTrac Lowering Kits

The MaxTrac 203440 lowering kit is built for truck owners who want an aggressive lowered stance while maintaining excellent ride quality and dependable daily drivability. With premium powdercoated components, matched shocks, and true bolt-on installation, this kit is an ideal solution for lowered F-150 street trucks and custom builds.

Perfect For

Lowered Ford F-150 builds
Street truck suspension setups
Custom lowered F-150 projects
F-150 rear suspension drops
Daily driven lowered trucks
2WD and 4WD F-150 lowering kits
Ford street truck builds
Aggressive lowered truck stance setups