The Roush 427 SRX crate engine, for comparison, also uses a cast-iron engine block, aluminum cylinder heads, and a steel crankshaft. However, it includes upgraded components such as robust H-beam ...

Fans of the raging Roush-modified Ford vehicles will be pleased to know the performance tuner has another fire-breather on the way soon — the 2013 Roush Stage 3 Mustang. When it goes on sale ...