Duval'S Service Center is a tire dealer located in South Portland, Maine that offers a range of services for all your tire needs. They have a selection of tire brands and sizes available, as well as flexible pricing. Duval'S Service Center may or may not have the option to schedule appointments. In addition to tire sales and installation, they may also offer tire repair and maintenance services. Contact Duval'S Service Center to learn more about their services and to schedule an appointment.