S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression Red Gas Gas And if dirt works its

And if dirt works its way into your engine

Reed valve replacement for Boyesen reed valves system

Fast settings

Higher and more compact to reduce the risk of damage

5% max torque to the new engine spec with its smaller throttle body and different ECU settings

S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression Red Gas Gas And if dirt works itsA kit developed for the Enduro Extreme piloting, where the power control is a must. More traction Soft Bottom Very easy to ride Made for extreme enduro riders In addition, the S3 cylinder head design provides: Temperature reduction Less weight Spectacular look Includes: Extreme insert, cylinder head and toric set