Why Amsoil? We are the leader in synthetic lubricants. Amsoil being an independent lubrication company, that started this whole synthetic oil revolution back in 1972, is not married to any particular manufacturer so they have worldwide access to the most current, high quality base stocks and additives many other manufactures simply cannot acquire. Amsoil products are proven to reduce friction. By simply using Amsoil motor oil, your engine won't have to work as hard. Reduced friction creates less wear, less heat, and less emissions; so you can enjoy, increased fuel mileage, easier starting, and longer equipment life. Add our synthetic transmission fluid and synthetic gear lubes, which typically last three to five times longer than our competitors, and experience your vehicle in a whole