# Fabtech 20-21 GM K2500HD 3.5in Bj UCA Kit w/Perf Shks

The factory GM upper control arms are replaced with Fabtech’s heavy duty ball joint tubular arms. They are constructed with 1.50? OD DOM steel tubing and feature a high travel ball joint that is sizably larger than stock. This provides for increased strength both on and offroad. Fabtech sets the ball joint angle to allow for full travel without bind throughout the travel range.

-   Everything You Will Need To Lift Your Vehicle
-   No Driveshaft Change Required For Auto Trac
-   2.25? OD x .250? wall DOM bushing barrels
-   Additional 1 degree of caster built in
-   Allows Use Of Stock Tires And Wheels
-   Retains Factory Steering Centerlink
-   Heavy duty forged torsion bar keyss
-   Retains Factory Upper Control Arms
-   Increased Caster For More Control
-   Tubular Steel Upper Control Arms
-   High travel oversized ball joint
-   1.5? OD x .120? wall DOM tubing
-   Quick No Weld Installation

This Part Fits:

Year

Make

Model

Submodel

2022-2023

Chevrolet

Silverado 2500 HD

Custom

2022-2023

Chevrolet

Silverado 2500 HD

High Country

2022-2023

Chevrolet

Silverado 2500 HD

LT

2022-2023

Chevrolet

Silverado 2500 HD

LTZ

2022-2023

Chevrolet

Silverado 2500 HD

WT

2020-2024

GMC

Sierra 2500 HD

AT4

2024

GMC

Sierra 2500 HD

AT4X

2020-2021

GMC

Sierra 2500 HD

Base

2020-2024

GMC

Sierra 2500 HD

Denali

2024

GMC

Sierra 2500 HD

Denali Ultimate

2022-2024

GMC

Sierra 2500 HD

Pro

2020-2024

GMC

Sierra 2500 HD

SLE

2020-2024

GMC

Sierra 2500 HD

SLT

2020-2024

GMC

Sierra 3500 HD

AT4

2020-2021

GMC

Sierra 3500 HD

Base

2020-2024

GMC

Sierra 3500 HD

Denali

2024

GMC

Sierra 3500 HD

Denali Ultimate

2022-2024

GMC

Sierra 3500 HD

Pro

2020-2024

GMC

Sierra 3500 HD

SLE

2020-2024

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 1441.35 CAD
- **Vendor:** Fabtech
- **Type:** Lift Kits
- **Tags:** ClearanceItem:N, Core:N, CorePrice:0, EPA:N/A, fits_2020-2024`GMC`Sierra 2500 HD`AT4~2024`GMC`Sierra 2500 HD`AT4X~2020-2021`GMC`Sierra 2500 HD`Base~2020-2024`GMC`Sierra 2500 HD`Denali~2024`GMC`Sierra 2500 HD`Denali Ultimate~2022-2024`GMC`Sierra 2500 HD`Pro~2020-2024`GMC`Sierra 2500 HD`SLE, fits_2020-2024`GMC`Sierra 2500 HD`SLT~2020-2024`GMC`Sierra 3500 HD`AT4~2020-2021`GMC`Sierra 3500 HD`Base~2020-2024`GMC`Sierra 3500 HD`Denali~2024`GMC`Sierra 3500 HD`Denali Ultimate~2022-2024`GMC`Sierra 3500 HD`Pro~2020-2024`GMC`Sierra 3500 HD`SLE, fits_2020-2024`GMC`Sierra 3500 HD`SLT, fits_2022-2023`Chevrolet`Silverado 2500 HD`Custom~2022-2023`Chevrolet`Silverado 2500 HD`High Country~2022-2023`Chevrolet`Silverado 2500 HD`LT~2022-2023`Chevrolet`Silverado 2500 HD`LTZ~2022-2023`Chevrolet`Silverado 2500 HD`WT, LTL:N, MPN:K1157, Non-CARB:N, Prop65:N, SpecialOrder:Y, Suspension>Lift Kits, TURN14_ID:746992G

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1441.35 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fabtech-20-21-gm-k2500hd-3-5in-bj-uca-kit-w-perf-shks)
> Updated: 2026-10-30