2007 Shelby GT500 - Bigger, Better Boost - Part 2
After installing the Kenne Bell blower upgrade (with the same 3-inch blower pulley), the peak power numbers jumped to 610 hp and 567 lb-ft of torque. The installation of a 2.75-inch pulley upped those figures even further to 656 hp and 641 lb-ft of torque. View Related Article