This Fabtech component box is box 3 of 3 for the 6-inch lift system and supplies the parts needed to complete a matched Fabtech lift installation for compatible 2020 GM 3500HD 4WD applications. Fabtech emphasizes extensive suspension development experience, engineered fit and finish, and quality fabrication; this box is intended to complement the full kit and maintain the system’s engineered performance and reliability.
Fabtech 2020 GM 3500HD 4WD 6in Lift System - Component Box 3