Guardar Roush adds V6-powered RS Mustang Like most gearheads, Jack Roush enjoys engines of any kind. CORE COMPONENTS Jack Roush) Certificate of Authenticity signed by Jack Roush. Ford. . ROUSH Mustang Stage 3 BlackJack Americanos. ROUSH Mustang Stage 3 BlackJack. Roush Blackjack Mustang. El Mustang Jack Roush Edition con hp le dice sí a la transmisión manual · caballos de fuerza · 15 caballos de fuerza más. ROUSH Stage 3 Blackjack Mustang, esto ya es otra cosa. ROUSH Stage 3 Blackjack Mustang Mustang ha sido nada menos que el propio Jack Roush.