Description: The High-Output Engine Calibration is designed to enhance on- and off-road performance for added confidence. This calibration increases torque by an additional 40 lb.-ft. at 3,000 rpm compared to your factory torque rating on your vehicle equipped with the 2.7L Turbo Plus engine to help your truck achieve the same power offered on ZR2 models. Increased torque helps allow for improved acceleration. Premium fuel is not required. Installation by an authorized dealer is required.
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