Not compatible with Adaptive Ride Control (ARC) models
Not compatible with 4-cylinder engine models
Not compatible with ZR2 or AT4X models
Models equipped with Duramax 6-cylinder diesel engine will achieve .5" less lift
Included rear shocks are compatible with 0-2" of rear lift on most models. Rear shocks are not recommended with any additional rear lift on Silverado 1500 Trail Boss and Sierra 1500 AT4
Trail Boss and AT4 lift height range 0-1.5" over stock