This aftermarket crankshaft is designed to fit the 066 STIHL model. It is a high-quality replacement part that will help keep your saw running smoothly. With its durable construction and precise engineering, this crankshaft is sure to last for years to come. Whether you're a professional logger or a weekend DIYer, this crankshaft is a great choice for anyone in need of a reliable replacement. So why wait? Order your H35660 aftermarket crankshaft today and get back to work!