The LSA supercharger pulley upgrade kit is designed to increase performance in supercharged engine. This upgrade kit produces excellent horsepower and torque improvements over the factory 556 horsepower and 551 lbs ft of torque while maintaining a safe level of boost and supercharger RPM. Testing has shown 630 BHP and 630 lbs ft of torque with the pulley upgrade kit installed. Installation of the kit does require ECM programming! The CTSV pulley kit raises boost 3-4 psi.

Parts included in kit:
- 2.55 inch diameter steel supercharger drive pulley powder coated black - 8 rib
- 8 rib serpentine belt
- LS9 solid supercharger isolator coupling
- Air duct kit  - Installation kit with everything you need to do the installation

Labor Time: 3.5 Hours