MaxTrac 901940 Silverado/Sierra 1500 4" Rear Lift Box Kit

Complete Your MaxTrac Silverado or Sierra Lift System

Build out your 2019–2024 Chevrolet Silverado 1500 or GMC Sierra 1500 2WD suspension with the MaxTrac 901940 Lift Box Kit. Designed to work with MaxTrac part number 701935, this component package combines 3-inch front strut spacers, 4-inch rear lift blocks, U-bolts, and rear MaxTrac shocks for a matched lift configuration.
The rear suspension receives 4 inches of lift, while the included 3-inch strut spacers provide the corresponding front suspension height needed for the complete MaxTrac system. Two 2900LL-4 rear shocks are also included to accommodate the lifted rear suspension.

Key Features

4" Rear Lift Blocks

The included steel lift blocks provide 4 inches of rear suspension lift for compatible Silverado and Sierra 1500 applications.

3" Front Strut Spacers

Includes 3-inch front strut spacers as part of the complete suspension configuration when combined with the required MaxTrac components.

Rear U-Bolts Included

Matched rear U-bolts secure the lifted rear axle and block configuration without requiring them to be sourced separately.

Two MaxTrac Rear Shocks

Includes two MaxTrac 2900LL-4 rear shocks matched to the increased rear suspension height.

Designed to Pair with 701935

The 901940 is specifically intended to work in conjunction with MaxTrac part number 701935 to create the complete lift kit.

Steel Suspension Components

Constructed from steel and finished in grey powder coat for durability and corrosion resistance.

What's Included

3" front strut spacers
4" rear lift blocks
Rear U-bolts
(2) MaxTrac 2900LL-4 rear shocks
MaxTrac 901940 component box

Vehicle Fitment

Fits

2019–2024 Chevrolet Silverado 1500 2WD
2019–2024 GMC Sierra 1500 2WD

Does Not Fit

Models equipped with a monoleaf rear spring

Important Notes

MaxTrac part number 701935 is required to make the complete lift kit.
This 901940 box is not a complete vehicle lift kit by itself.
Provides 4" of rear lift using the included lift blocks.
Includes 3" front strut spacers as part of the complete lift configuration.
Does not fit models equipped with a monoleaf rear spring.
MaxTrac does not recommend wheels wider than 9" or wheels with less than 4.5" backspacing. Using wheels outside these specifications may void applicable manufacturer warranties.

Product Specifications

Brand: MaxTrac Suspension
Part Number: 901940
Associated Part Number: 701935
UPC: 706199415440
Kit Type: Lift / Level
Product Type: Lift Component Box Kit
Position: Front & Rear
Front Strut Spacer: 3"
Rear Lift: 4"
Rear Shock Part Number: 2900LL-4
Rear Shock Quantity: 2
Drive Type: 2WD
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Sold As: Combo
Weight: 36 lbs
Dimensions: 28" × 10" × 6"
Multiple Box Item: No
Origin Criterion: B
Unit of Measure: IN
Country of Origin: China

Why Choose MaxTrac 901940?

The 901940 puts several essential suspension components into one matched package. With 3" front strut spacers, 4" rear blocks, U-bolts, and two 2900LL-4 shocks, it simplifies completing a compatible MaxTrac Silverado or Sierra lift while ensuring the rear suspension receives the components intended for the increased ride height.

Perfect For

Silverado 1500 lift builds
Sierra 1500 2WD projects
4" rear suspension lifts
Front strut spacer systems
Rear block and U-bolt setups
MaxTrac 701935 lift configurations