RCM / Omega Piston Set - WRX & STI 2006-2013 (V9+) EJ25 Size:100.00mm Oversize Excellent resistance to vapour lock

Excellent resistance to vapour lock and brake fade

the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part

The weakest point of the sleeve is still left open and unaddressed

Each engine block is carefully selected

0 litre cylinder head

RCM / Omega Piston Set - WRX & STI 2006-2013 (V9+) EJ25 Size:100.00mm Oversize Excellent resistance to vapour lockRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing. So why forged? A forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from