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Replace the original supercharger pulley on your CTS-V with this precision-made 2.50" overdrive unit to make an additional 3-4 pounds of boost and more horsepower and torque.
This pulley is a one-piece unit that is CNC-machined from high grade steel. The center bore is sized for the appropriate interference fit and no pinning or drilling is necessary for installation. The finished pulley is powdercoated in a semi-gloss black for long lasting surface protection.
We recommend the installation of our MIP-100V idler pulley (listed elsewhere in this section) on applications using overdrive (smaller) supercharger pulleys.
Note: A shorter supercharger belt is necessary when this overdrive supercharger pulley is installed