RCM / Omega Piston Set - Gobstopper I, II & III EJ20 Size:92.25mm Oversize The machining of the skirt

The machining of the skirt is done on extremely accurate machines

featuring enhanced up-pipe top and bottom gaskets engineered for superior sealing performance in extreme motorsport conditions

but also enhances the under bonnet appearance of your Impreza

Not only do you notice a considerable increase in engine response and performance

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

RCM / Omega Piston Set - Gobstopper I, II & III EJ20 Size:92.25mm Oversize The machining of the skirtRCM 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