# Fabtech 2020 GM 2500HD/3500HD 4WD 6in Lift System - Uniball UCA Kit Fabtechs Uniball Upper Control Arms are designed to replace the factory ball joint arms to strengthen the front suspension for aggressive offroad use. The tubular Upper Control Arms feature 1.25 OD, .120 wall thick chromoly tube construction with 1 diameter Stainless Steel Uniballs that attach to the factory spindle without drilling. These Uniball Upper Control Arms have been designed to work in conjunction with the stock suspension, or as an add-on to Fabtechs 2 and 6 systems. - For Suspensions That Require Additional Strength/Alignability - Arms Super Strong 1 in. ID Stainless American Uniball - 17-4 Stainless Steel Heat Treated Uniball Pin - Arms Are Direct Replacements For Factory Arms - Arms Eliminate Upper Ball Joint This Part Fits: Year Make Model Submodel 2020-2023 Chevrolet Silverado 2500 HD Custom 2020-2023 Chevrolet Silverado 2500 HD High Country 2020-2023 Chevrolet Silverado 2500 HD LT 2020-2023 Chevrolet Silverado 2500 HD LTZ 2020-2023 Chevrolet Silverado 2500 HD WT 2020-2023 Chevrolet Silverado 3500 HD High Country 2020-2023 Chevrolet Silverado 3500 HD LT 2020-2023 Chevrolet Silverado 3500 HD LTZ 2020-2023 Chevrolet Silverado 3500 HD WT 2022-2023 GMC Sierra 2500 HD AT4 2022-2023 GMC Sierra 2500 HD Denali 2022-2023 GMC Sierra 2500 HD Pro 2022-2023 GMC Sierra 2500 HD SLE 2022-2023 GMC Sierra 2500 HD SLT 2022-2023 GMC Sierra 3500 HD AT4 2022-2023 GMC Sierra 3500 HD Denali 2022-2023 GMC Sierra 3500 HD Pro 2022-2023 GMC Sierra 3500 HD SLE 2022-2023 GMC Sierra 3500 HD SLT ## Details - **Price:** 1123.62 CAD - **Vendor:** Fabtech - **Type:** Lift Kits ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1123.62 CAD | In stock | ## Images - Photo - Primary - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/fabtech-2020-gm-2500hd-3500hd-4wd-6in-lift-system-uniball-uca-kit) > Updated: 2026-06-27