At the SEMA Show Cosworth introduced the 330hp ST.
http://s1.aecdn.com/images/news/gall...-photos_19.jpg
Interesting to see that PUMA Speed states that the small turbo on the ST is designed to spool very quick and is chocked out about 300hp. The stage 1 turbo upgrade offers:
Larger Billet Compressor Wheel
Cut Back Blades for extra flow.
Uprated Motorsport Thrust Bearing
http://www.pumaspeed.co.uk/product-S...rger_15694.jsp