The Superlift component box contains the rear crossmember for the 6-inch lift kit designed for 2015–2022 Chevrolet Colorado and GMC Canyon. Listed as the rear crossmember box for part number K134, this component provides the structural crossmember required to support suspension geometry during the lift kit installation and assembly.

Superlift 15-22 Chevrolet Colorado/GMC Canyon 6in Lift Kit Component Box - Rear Crossmember