BDS Knuckle Box Kit 1 of 2 w/ UCA | Fits 4 and 6 Inch Lift | Chevy Silverado and GMC Sierra 1500 (19-24)

This is box 1 of 2 of the front knuckle and upper control arm components supplied in BDS 4 and 6 inch lift kits for the 2019-2024 Chevy Silverado 1500 and GMC Sierra 1500. It is a single component box for replacement, not a complete lift kit.