Fabtech component Box 1 for the 2021+ Ford F-150 4WD 6" basic lift system supplies the packaged parts needed as part of the larger kit PN references. Fabtech emphasizes engineered suspension development and quality fabrication; these component boxes contain kit-specific hardware and parts that work within the broader lift system, with other parts required to complete the full installation per the kit notes.
Fabtech 2021+ Ford F150 4WD Basic 6in Lift System - Component Box 1