The Skunk2 cam seal cover is precision CNC machined from aircraft quality 6061-T6 aluminum billet and is gun metal anodized for a durable finish. The cover features 3 o-rings for a superior fit and seal compared to the factory plastic seal which has no o-rings. Cam seal has a laser-etched Skunk2 logo designed to make a perfect addition to your engine along with other Skunk2 accessories.