VHM insert KTM 50SX 2009 - 2023 / Husqvarna TC50 2017 - 2023 / GasGas MC50 2021 - 2023 (4.20cc) VHM standard

This insert with 4.20cc volume is the VHM standard for KTM 50SX 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 AA33114 Best overall performance Quick to adjust Good resistance to detonation