MaxTrac 201940ML Silverado/Sierra 1500 4" Rear Lowering Kit

4" Rear Drop for Monoleaf Silverado & Sierra Trucks

Give your truck a lower, more aggressive stance with the MaxTrac 201940ML 4" Rear Lowering Box Kit. This package includes a rear axle flip kit, hangers, shackles, bump stops, and two matched MaxTrac rear shocks for a complete rear lowering setup.

Pair it with compatible front components to create a 2"/4" lowering system.

Key Features

4" Rear Lowering

Provides approximately 4 inches of rear drop for an aggressive street-truck stance.

Monoleaf-Specific Flip Kit

Designed for factory single composite rear spring configurations.

Lowering Hangers & Shackles

Matched components work with the flip kit to establish the intended ride height.

Rear Shocks Included

Includes shortened MaxTrac shocks designed for the lowered suspension.

Rear Bump Stops

Included bump stops accommodate reduced suspension clearance.

USA-Made Steel Construction

Heavy-duty steel components feature a grey powder-coated finish for durability and corrosion resistance.

What's Included

Rear axle flip kit
Rear lowering hangers
Rear lowering shackles
Rear bump stops
(2) MaxTrac rear shocks — 2000LL-4
Installation hardware as supplied by MaxTrac

Vehicle Fitment

Fits: 2019–2026 Chevy Silverado 1500 / GMC Sierra 1500 2WD & 4WD with factory monoleaf rear springs.
Excludes: Adaptive Ride Control, multi-leaf springs, and 2-piece driveshaft models.

Important Notes

Designed to pair with front components for a complete 2"/4" drop.
Rear shocks are included; no additional shocks or extenders are required for this kit.
MaxTrac recommends wheels no wider than 9" with at least 4.5" backspacing. Exceeding these limits voids applicable manufacturer warranties.

Product Specifications

Brand: MaxTrac Suspension
Part Number: 201940ML
UPC: 706199417765
Tariff: 8708.80.6510
Kit Type: Lower
Product Type: Rear Lowering Box Kit
Position: Rear
Rear Drop: 4"
Drive: 2WD / 4WD
Rear Spring Type: Monoleaf / Single Composite
Included Components: Flip Kit, Hangers, Shackles, Bump Stops
Rear Shocks: 2000LL-4 (2 Included)
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Sold As: Each
Weight: 59 lbs
Dimensions: 16" × 16" × 8"
Multiple Box Item: No
Origin Criterion: A
Unit of Measure: IN
Country of Origin: USA

Why Choose MaxTrac 201940ML?

The MaxTrac 201940ML combines the essential components for a 4" rear drop into one matched suspension package.

With USA-made steel components, a complete rear flip system, and included MaxTrac shocks, this kit simplifies your lowering project without sourcing major rear suspension parts separately.

Perfect For

Monoleaf Silverado/Sierra lowering
4" rear drop applications
2"/4" complete lowering builds
Rear axle flip conversions
Custom lowered street trucks