Cometic Yamaha XS650 Big Bore Base Gasket

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

• All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
• Cometic utlizes their in-house dynamometers and engine assembly rooms to ensure quality and reliability
• Cometic uses it's EST "Extreme Sealing Technology" philosophy while making every gasket
• Cometic offers MLS base gaskets utilizing their best materials available