Official Roush Performance Press Release
Roush Drops The Hammer with New "JackHammer" 710 Horsepower Mustang
"Between A Road Car and a Race Car Is a Roush Car..." - Jack Roush JackHammer is proof of ROUSH supercharging capabilities, matched with...
Roush Drops The Hammer with New "JackHammer" 710 Horsepower Mustang