S3 Cylinder Head with EXTREME Insert to suit 250cc or 300cc, 2016 and Earlier *SPECIAL ORDER

Description

EXTREME KIT
A 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 Oring  set