Lift amount does NOT equal spacer thickness owing to the suspension geometry. Lift spacer is not equal to the actual spacer thickness. Fits Silverado Sierra 1500: 1999-2024 Chevrolet Silverado 1500 2WD/4WD----has 1" stock block, this 2" kit will lift 1" additional 1999-2024 GMC Sierra 1500 2WD/4WD----has 1" stock block, this 2" kit will lift 1" additional What is a leveling kit? .
