Quick view Roush ROUSH 2011-2014 Ford Mustang GT 5.0L Phase 2 625HP Supercharger Upgrade Kit - 421389 Compare $829.99 The ROUSH Mustang Phase 2 - 625 HP Supercharger Upgrade Kit includes all of the necessary components to increase your ROUSH Supercharged Mustang to 625 HP and 525 lb-ft. It comes with a new 85mm S/C Pulley, Shorter FEAD Belt, Cold Air Induction System,... Add to Cart Add to Cart
