Quick view Roush ROUSH 2015-2017 Ford F-150 5.0L V8 Phase 1-to-Phase 2 650HP Supercharger Upgrade Kit - 422012 Compare $449.99 The ROUSH Phase 2 supercharger upgrade kit builds on the outstanding performance of our F150 Phase 1 supercharger system by adding proven core components and careful calibration. This kit adds an additional 50 horsepower and 28 lb-ft of torque when used... Add to Cart Add to Cart
Sold Out 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,... Currently Out of stock. On order! Currently Out of stock. On order!