Fitment(Please check your vehicle compatibility before buying): Fits Silverado Sierra 1500 2007-2023 2WD 4WD Fits GMC Sierra 1500 2007-2023 2WD 4WD Non-Airbag/Auto-Ride/ Does Not Fit Silverado 19+ Trail Boss Models Does Not Fit Sierra Models W/ ARC Suspension (2019) / Magna Ride/ Auto-Leveling / 2019+ AT4 Models Z71/ LTZ have factory rear blocks - rear lift height will vary depending on factory block size being replaced. Please note: Lift spacer thickness and lift is not a 1 to 1 ratio due to the suspension geometry. .
