This insert with 28.50cc volume is the VHM standard for Beta RR300 and is developed for the best overall performance. The combustion chamber fits the VHM cylinder head perfectly and is easy to change. The last numbers of the part number are engraved on the insert for indentification.
Use in combination with VHM head AA33182
- Best overall performance
- Quick to adjust
The insert does not fit into an OEM head, only a VHM cylinder head.
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