SUPERIOR LUBRICATION

Since 1972 AMSOIL has been a leader in the research, development and production of synthetic motor oils. In addition to motor oils, AMSOIL produces many synthetic lubricating oils ranging from two cycle to heavy duty diesel equipment products. Combined with a complete line of filtration products, fuel additives, greases and more to help extend and prolong your vehicle and equipment life... The AMSOIL corporate headquarters, manufacturing plant and main distribution center are located in Superior, Wisconsin... * First to introduce the concept of "extended drain intervals" with a recommended 25,000-mile/1-year