ReadyLIFT offers our premium fabricated steel rear shock extensions for 1999-2023 GM 1500 trucks and SUVs. These shock extensions are ideal for when you install a rear lift block and your shocks are too short. These extensions allow you to retain use of the factory shocks or factory-length shocks. Heavy-duty welded steel construction and includes new shock mounting hardware. Shock extension is approximately 2" eye-to-eye. A great addition to installing a ReadyLIFT rear block kit.