Roush unveils 540-hp 2010 Stage 3 and 540RH Mustangs
Roush’s new 427R 2010 Mustang is powered by a 4.3L V8 that has been supercharged to produce 435-hp. Not bad
Read MoreRoush’s new 427R 2010 Mustang is powered by a 4.3L V8 that has been supercharged to produce 435-hp. Not bad
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