O-Ring 57.5 x 2.3

Used for Linhai: CVT Housing - 500, T-Boss 550, M550, M550L

Used for Linhai:  Camshaft Chain - 300 Water Pump and Oil Pump - 370 Promax, 420 Promax Water Pump - 400, 260, 300  

Used for Linhai: Valve - 370 Promax, 260, 400, 300, 420 Promax

Used for Linhai: Starting Motor - 300, 400, M750L, 260

Used for Linhai: Crankcase - 370 Promax, 420 Promax Oil Pump - 260, 300, 400