S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression Blue Sherco and enables a safer driving

and enables a safer driving experience

Like any project at Boyesen

Developed for modern high performance engines

Exceptional grip with steel tips (registered design)

HFI innovation has been recognized worldwide by factor

S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression Blue Sherco and enables a safer drivingA 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