Rear Shock Extensions - GM Full-Size Truck / SUV 1500 1999-2023 Adapters - Tee UMI’s control arms are constructed

UMI’s control arms are constructed of 1-1/2” mild steel tubing with CNC machined ends and assembled with polyurethane bushings

The EFI system comes complete with a traditional 4150-Style single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p

95-durometer polyurethane bushings

keeping it in recirculation mode

the E-Tuner App then selects the most appropriate base calibration

Rear Shock Extensions - GM Full-Size Truck / SUV 1500 1999-2023 Adapters - Tee UMI’s control arms are constructedReadyLIFT 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