EXTREME S3 CYLINDER HEAD-SUITS HUSQVARNA 250 2017 to 2023

Extreme Kit:

Modifies the compression for a smooth and progressive delivery of power. Improving traction and engine control especially important in technical areas.
Its design manages to lower the temperature by eliminating the typical hot spots of the original cylinder heads.

Ideal for Extreme style riding, improving the throttle feeling.

* All kits include: cylinder head cover, insert according to choice and o-rings

*AtTENTION* - For the model of 250 / 300cc TPI 2017-2021 with carburettor, choose the desired Kit model TPI + Cap ST-1235 to cover sensor thread.