BETA COMBUSTION CHAMBER

Fitted from the factory, the BETA COMBUSTION CHAMBER (OEM 12.18630.000) is Beta’s original cylinder head for the EVO 200 2T, EVO 200 2T FACTORY, EVO 250 2T, EVO 300 2T (2009–2022). It seals the combustion chamber and houses the valvetrain/squish.

Inspect and replace if warped, cracked or worn. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.

Browse more parts for your model: EVO 200 2T FACTORY · EVO 200 2T · EVO 250 2T · EVO 300 2T.