2007-2021 GMC Sierra 1500 Z71 / LTZ Front Suspension Lift Kit & Differential Drop 4WD 4x4 Trailblazer *The overall Lift Height Achieved

*The overall Lift Height Achieved is influenced by your truck's spring pack condition

the zinc phosphate coating process requires less heat

The included shocks will help maintain proper vehicle handling dynamics with the higher than factory center of gravity

Supreme Shackle Lift Kits are engineered to provide your truck with the perfect lift and level

Our Pro-Billet series strut spacer lift kits are precision engineered from 6061-T6 aircraft aluminum

2007-2021 GMC Sierra 1500 Z71 / LTZ Front Suspension Lift Kit & Differential Drop 4WD 4x4 Trailblazer *The overall Lift Height Achieved2x Front Billet Strut Spacers 2x Front Delrin Lower Shock Spacers 4x Differential Drop Spacers For 3. 5 Front Lift Kits we have included 2x Front Bottom Strut Spacers Installation Hardware Installation Instructions IMPORTANT: Does NOT fit 2007 Classic model, AT4 model, or vehicles equipped with Adaptive Ride Control MagneRide Auto Ride Air Bag Self Leveling Suspension Systems. (!) 2015+ models equipped with factory stamped steel upper control arms