Genuine OEM Hyundai Valve Spring, part number 222212F000. This essential engine component is responsible for returning the engine valves to their closed position after being opened by the camshaft, ensuring proper combustion chamber sealing and engine timing. It is located within the cylinder head, surrounding the valve stem. Choosing a genuine OEM valve spring guarantees the correct spring rate, material fatigue resistance, and precise dimensions for optimal engine performance and longevity.