ReadyLIFT 2" SST Lift Kit – AT4/Trail Boss Plus | Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-24) 4WD (69-3920)

ReadyLIFT 2" SST Lift Kit – AT4/Trail Boss Plus

Part #: 69-3920

Overview

The ReadyLIFT 2" SST Lift Kit - AT4/Trail Boss Plus is a front-and-rear suspension system developed for Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-24) 4WD. AT4 - Max tire 305/55-20, 20x9 0 offset wheel Trail Boss - Max tire 295/65-20, 20x9 0 offset wheel .

Key Features

• Fits Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-24) 4WD
• Provides 2.0" of lift
• Front and rear suspension application
• Fits 4WD models
• 69-3920 +2" SST Lift Kit: 2019-2023 GM AT4 & Trail Boss
• 2" front lift combines with factory 2" lift
• CNC-machined billet aluminum top spacer and pre-load spacer kit with heavy-duty control arms
• 1-ton ball joints and maintenance-free pivot bushings

Construction & Design

When combining a traditional leveling kit on these factory lifted trucks, several issues present themselves including binding problems with the factory control arm ball joint and contact concerns with the lower strut/CV axle assembly. OE style 3" tall cast iron rear lift blocks and rear bump stop extension cups are also included to create a true AT4/Trail Boss-specific bolt-on lift kit that provides 2" of front lift and 1" of rear lift.

Installation & Fitment

Fits: Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-24) 4WD
Lift Height: 2.0"
Position: Front and rear
Drive Type: 4WD
Installation Time: Approximately 4.5 hours
Professional Installation: Highly recommended by ReadyLIFT
Alignment: Required after installation
Important Notes/Exclusions: This GM 1500 kit is NOT COMPATIBLE with vehicles equipped with rear composite mono-leaf springs. Not compatible with Sierra AT4X or Silverado ZR2 Edition. These will not fit late model 2024 or 2025 applications that have round U-bolts.

What's Included

• CNC machined billet aluminum top mount spacer and pre load spacer
• Tubular upper control arms with 1-ton ball joints and TCT pivot bushings
• 3" tall OE style cast iron lift blocks with new longer u-bolts

Ideal For: Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-24) 4WD owners who want a moderate front-and-rear lift with application-specific geometry correction.