Genuine OEM Hyundai Valve Spring Seat, part number 2222502500. This critical engine component is located within the cylinder head, providing a stable and precisely machined seating surface for the valve spring. Its function is to properly position the valve spring, allowing it to exert the correct tension on the valve for optimal opening and closing cycles. Using a genuine OEM valve spring seat ensures the correct dimensions, material hardness, and fatigue resistance for reliable valve train operation and engine longevity.