RCM / Omega Piston Set - WRX & STI 1999-2000 (V5-V6) EJ20 0 When the case and inserts

When the case and inserts have reached our desired temperature

Manufacured from pulverized lava rock and stranded into a fiber material which is then woven into a proprietary weave

RCM exhaust fitting kits provide all the essential components needed to complete and enhance your RCM exhaust installation

we can’t recommend them enough

RCM / Omega Piston Set - WRX & STI 1999-2000 (V5-V6) EJ20 0 When the case and insertsRCM 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