
Fabtech 2020 GM K2500HD 3.5in Uniball Upper Control Arms
2020 Chevy Silverado 2500HD/3500HD, GMC Sierra 2500HD/3500HD 4WD - Fits 3.5in Lifts Only. Fabtech's Uniball Upper Control Arms provide increased strength to the front suspension by replacing the stock ball joint upper arms that can become worn and eventually fail under aggressive offroad use. These heavy duty upper arms are designed for longevity in rugged offroad conditions. They also feature additional caster compared to stock upper arms for superior on road use with oversized tires. The top quality construction of these arms include .120in wall 1.50in OD 4130 Chromoly tubing and American made 1in FK Stainless PTFE lined Uniballs. The 17-4 Stainless Steel heat treated Uniball pins fit into the factory ball joint tapers without modification to the spindle for easy return to stock feature. Fabtech uses 17-4 Stainless steel for the misalignments that provide proper clearance of the 1in Uniballs throughout the travel range. On the frame side of the upper arms, there are quality urethane