Seller notes

Replace the original supercharger pulley on your CTS-V or ZL1 with one of ourprecision-madeoverdrive units to make as much as5.5 pounds of additional boostfor moremore horsepower and torque. Our LSA supercharger pulleys area three-piece design, utilizing a high-grade steel pulley hub and an interchangeable aluminum ring and front cover.The center bore of the pulley hub is sized for the appropriate interference fit and no pinning or drilling is necessary for installation. The rear of the pulley h...

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