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ReadyLIFT 1.75" Leveling Kit – Tubular Upper Control Arms | Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-26) (66-3921)

SKU R90663921
Original price $529.95 - Original price $529.95
Original price
$529.95
$529.95 - $529.95
Current price $529.95
Availability:
in stock, ready to be shipped
YearsMakeModel
2019-2026ChevroletSilverado 1500 Trail Boss
2019-2026GMCSierra 1500 AT4

ReadyLIFT 1.75" Leveling Kit – Tubular Upper Control Arms

Part #: 66-3921

Overview

The ReadyLIFT 1.75" Leveling Kit - Tubular Upper Control Arms raises the front of Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-26) to reduce factory rake and create a more level stance. Note: AT4 and Trail Boss do not fit the same size tire.

Key Features

  • Fits Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-26)
  • Provides 1.75" of lift
  • Front suspension application
  • 1.75" front leveling lift for 2019-2026 GM AT4 and Trail Boss Not compatible with Sierra AT4X or Silverado ZR2 Edition
  • Includes DOM tube steel upper control arms with TCT maintenance-free pivot bushings and 1-ton ball joints CNC machined aircraft-grade billet aluminum top and bottom strut spacers AT4
  • Max tire 275/60-20, 20x9 0 offset wheel
  • Max tire 295/65-20, 20x9 0 offset wheel
  • If re-using factory wheels on a Trail Boss, you can run max tire size 285/75R18 with wheel spacers!

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.

Installation & Fitment

Fits: Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-26)
Lift Height: 1.75"
Position: Front
Installation Time: Approximately 3.5 hours
Professional Installation: Highly recommended by ReadyLIFT
Alignment: Required after installation
Important Notes/Exclusions: Not compatible with Sierra AT4X or Silverado ZR2 Edition.

What's Included

  • Heavy Duty tubular steel upper control arms with TCT maintenance free pivot bushings and heavy-duty 1-ton ball joints
  • CNC machined billet aluminum top and bottom mount strut spacers

Ideal For: Chevrolet Silverado 1500 Trail Boss / GMC Sierra 1500 AT4 (19-26) owners who want to reduce factory rake and add front tire clearance.