This insert with 27.50cc volume is the VHM standard for KTM 300EXC / 300XC-W / Husqvarna TE300 / GasGas EC300 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 AA33215
Use the insert chart as a general guideline to select the insert depending on the fuel, track and elevation.
- Best overall performance
- For use see insert chart table
- Quick to adjust
The insert does not fit into an OEM head, only a VHM cylinder head.