This 12° insert with 22.20cc volume is the VHM standard for KTM 250SX / Husqvarna TC250 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 AA33209 and VHM piston APKT25021754A1.
Use 98 RON octane fuel.
- Best overall performance
- Quick to adjust