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This Lee-style spring is a specialized tension component used within the FA351-5 series valves often found on specialized Rotary lift configurations. As a high-precision internal spring, it provides the necessary force to maintain valve seat integrity or return specific core components to their resting state. In industrial lifting environments, springs are subject to constant cycling and can eventually lose their original tension or break due to fatigue. SVI International's replacement is manufactured to meet the exact load requirements of the original Lee spring reference, ensuring that your valve's internal timing and sealing forces remain within factory specifications. Keeping your valve's spring tension consistent is key to preventing internal bypass and ensuring safe, predictable lift movements.
You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.