Rough Country 921 1" Upper Strut Lift Spacer Fitment: Chevrolet: 15-17 Colorado 4WD/2WD; GMC: 15-17 Canyon 4WD/2WD Kit contents: (2) upper strut Spacers and hardware Benefits: easy bolt-on installation; increased ground clearance; maintains factory ride quality; maintains slight front end rake; no strut disassembly required; can be returned to stock height Technical notes: does not fit "ZR2" models; highly recommended that aftermarket wheels, or wheel Spacers, be hub-centric