Fabtech FAB UCA Kit Component Box

Upgrade your 2020 GM K2500HD/3500HD with Fabtech’s 3.5-inch UCA lift system, delivered in a dedicated component box designed for straightforward installation.

• Precisely engineered for 2020 GM K2500HD and 3500HD front suspension to deliver a reliable 3.5-inch lift with a level, confident stance.
• Includes the Fabtech upper control arm kit components essential for improved wheel travel and stable steering under lift.
• Rugged, purpose-built design to withstand off-road use and heavy-duty payloads common on HD trucks.
• Compact packaging: box dimensions 15.4 in L x 15.2 in W x 6.1 in H; total weight 35.6 lb.
• Designed for cohesive integration with Fabtech 3.5-inch lift systems to ensure compatibility and consistent performance.
• Improved ride stability and predictable handling at lifted heights, thanks to carefully matched UCA geometry.
• Note: This listing covers the UCA component box; a complete installation may require additional Fabtech components.