Fabtech's component box for a 4-inch uniball upper control arm (UCA) system is intended for 2016–2018 Toyota Tundra 2WD and 4WD applications. Packaged as a kit component, it supplies the uniball-style upper arms designed to replace factory pieces and provide increased alignment control and strength when used in lifted applications. The box complements other kit parts and additional components are required for complete installation.
Fabtech 16-18 Toyota Tundra 2WD/4WD 4in Uniball Upper Control Arm System - Component Box