38mm Diameter Engine Motor Cylinder Piston Crankshaft Fit For Stihl MS170 MS180 018 Chainsaw Quick Replace Spare Parts. Crafted from durable materials to ensure longevity and reliable performance in your vehicle's engine. Engineered for a straightforward installation process, minimizing downtime and maintenance costs. Achieving dramatic optimization of power output, it unleashes torque potential of the engine to deliver rich surging power. It optimizes heat dispersion effect inside cylinders, curbs high-temperature energy consumption and guarantees persistent stable operation., Manufacturer: HAGDFDNV