EXTREME HEAD BETA RR 300 2022-> Type: Extreme, Type: ONLY FOR MODEL WITH SINGLE SPARK PLUG

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