AMSOIL® manufactures premium synthetic lubricants and filters for automotive, light and heavy duty truck, motorcycle, RV, off road, marine, personal watercraft, power sports and heavy equipment applications. Tested and proven over billions of miles of service, AMSOIL, INC. has been the leader in synthetic lubrication since 1972. 

The 2009 Amsoil Product Line

Synthetics only is your source for the complete line of Amsoil products. We provide you access to the experience of seasoned Amsoil Dealers to meet all of your needs and answer all of your questions. The knowledge base of our dealers ranges from practical automotive and mechanical experience to a Bachelor of Science Degree in Chemistry. We have personally tested the vast majority of the Amsoil product line in a variety of applications, including a 24 Hour motorcycle endurance race. You will not be disappointed in the performance of Amsoil products and the customer service we will provide you with.