Genuine OEM Hyundai Valve Spring, part number 222212M000. This critical component is located within the engine's cylinder head, responsible for closing the engine valves after they have been actuated by the camshaft. It ensures precise valve timing and proper sealing of the combustion chamber. A genuine OEM valve spring is engineered with the exact spring rate and material fatigue resistance to withstand extreme engine conditions, crucial for maintaining optimal engine performance and longevity.