Genuine OEM Nissan Engine Valve Spring Kit, part number 132111KC1C. This kit provides the necessary valve springs and potentially related components for the engine's valve train system. These springs are crucial for controlling the opening and closing of engine valves, ensuring proper combustion and exhaust cycles. The components are located within the cylinder head assembly. The parts in this kit are constructed from durable, high-strength materials designed to withstand the extreme temperatures and pressures of engine operation. Genuine OEM valve spring kits are manufactured to precise tolerances, ensuring consistent performance and longevity, which is crucial for maintaining engine health and preventing premature wear.