This Harley-Davidson rear final drive belt pulley with part number 40246-91 and 61 teeth is a crucial component for the transmission and drivetrain of your 91-03 Sportster motorcycle. It has not been modified and is a genuine OEM part. The pulley is designed for the rear placement on the vehicle and is suitable for use on both domestic and non-domestic models. The brand of the pulley is Harley-Davidson and it is not sold as part of a custom bundle. The type of this product is a pulley and it is categorized under Drive Belt Pulleys & Tensioners, Final & Primary Drive Parts & Kits, Transmission & Drivetrain, Motorcycle & Scooter Parts & Accessories, and Parts & Accessories in eBay Motors.