Looking for a new aggressive stance to compliment your Mustang, while still obtaining a quality ride? Look no further.; ROUSH Performance offers this lowering spring kit for both GT and V6 applications. These springs will be a direct swap-out for your factory springs, and install in about 3 hours. Included will also be a detailed installation guide so you can get your Mustang back on the road in no time!; Not only do these springs help to provide a better ride quality, they also provide a nice aggressive stance over stock!; When added, these springs provide a .50? inch drop over the stock ride height.