This head comes complete with a insert for either the stock or VHM 12 degree piston. The pro kit includes a insert to work with the 12 degree piston from VHM which is supplied with the head. Extra pistons can be purchased.
HGS Exhaust Husqvarna TC125 2014-2021
VHM piston kit KTM 125SX 2001 - 2022 / Husqvarna TC125 2014 - 2022
HGS Silencer- KTM SX125
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