EHR Reed Valve System especially made for the KTM 65sx.
The EHR Tuning reed valve will increase your power.
The reed valve housing is larger for better flow and increases the volume in your crankcase for better bottom power.
SX – TC 50 cylinderset with adjustable powervalve comes complete with headsystem – special 50 insert – powervalve – spring – spider 0-ring – diaphragm – cylinderhead bolts – cylinder – complete mounted ready to put on engine with Original gaskets