MaxTrac 301940ML Silverado/Sierra 1500 4" Rear Flip Kit

4" Rear Lowering Kit for Monoleaf Silverado & Sierra Trucks

Create a clean, aggressive lowered stance with the MaxTrac 301940ML 4" Rear Flip Kit. Designed for 2019–2026 Chevy Silverado and GMC Sierra 1500 2WD/4WD trucks with factory monoleaf rear suspension, this kit includes axle relocators, lowering hangers, shackles, bump stops, and spring plates.

Manufactured in the USA from heavy-duty steel with a grey powder-coated finish, this kit provides the essential rear suspension components needed to achieve a 4-inch rear drop without purchasing a complete lowering system.

Key Features

4" Rear Drop

Lowers the rear suspension approximately 4 inches for a more aggressive street-truck appearance.

Monoleaf-Specific Design

Engineered for factory single composite rear spring configurations.

Heavy-Duty Axle Relocators

Reposition the rear axle relative to the spring to achieve the intended lowering height.

Lowering Hangers & Shackles

Work together with the flip kit to establish the specified rear drop.

Spring Plates & Bump Stops

Includes spring plates for the axle mounting assembly and bump stops for 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 relocators
Rear lowering hangers
Rear lowering shackles
Rear spring plates
Rear bump stops
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

Rear shocks are not included. Requires (2) shorter MaxTrac 2000LL-4 rear shocks or 401900 shock extenders, sold separately.
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: 301940ML
UPC: 706199417734
Tariff: 8708.80.6510
Kit Type: Lower
Product Type: Rear Axle Flip Kit
Position: Rear
Rear Drop: 4"
Drive: 2WD / 4WD
Rear Spring Type: Monoleaf / Single Composite
Included Components: Axle Relocators, Hangers, Shackles, Spring Plates, Bump Stops
Required Rear Shocks: 2000LL-4 (2, Sold Separately)
Alternative Shock Extenders: 401900 (Sold Separately)
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Sold As: Each (Complete Kit)
Weight: 50 lbs
Dimensions: 16" × 16" × 8"
Multiple Box Item: No
Origin Criterion: A
Unit of Measure: IN
Country of Origin: USA

Why Choose MaxTrac 301940ML?

The MaxTrac 301940ML provides the essential components for a 4" rear drop on compatible monoleaf-equipped trucks.

With USA-made axle relocators, lowering hangers, shackles, spring plates, and bump stops, this package simplifies your suspension project while allowing you to select the appropriate rear shock solution separately.

It's an ideal choice for Silverado and Sierra owners who want to lower the rear of their truck without purchasing a complete front and rear suspension kit.

Perfect For

Silverado/Sierra monoleaf lowering
4" rear drop applications
Rear axle flip conversions
Custom lowered street trucks
2WD and 4WD suspension builds