The internal valve spring (code H 27092) is an essential component in the Adriadiesel/Jugoturbina/Zgoda/Sulzer ASL25 engine, responsible for controlling the movement of the intake and exhaust valves. This precision-engineered spring maintains the necessary tension to ensure the valves open and close at the right intervals, preventing engine malfunctions and enhancing performance. Manufactured with high-grade steel, it is designed to withstand continuous stress cycles, offering longevity and reliability in demanding operational environments.