The Torsion Spring for Stihl TS400 Cut-Off Saw is a genuine replacement part engineered to uphold the essential torsional tension in the saw's moving mechanisms. Crafted from high-quality spring steel, this torsion spring provides the necessary rotational force for the seamless operation of linkages and components. Designed to meet OEM specifications, the Torsion Spring guarantees consistent performance and durability, ensuring your Stihl TS400 operates smoothly and reliably under regular use. Replace your worn-out spring with this durable component to maintain the efficiency of your cut-off saw.