AMSOIL was founded in 1972 with the first API-rated synthetic motor oil in the world. AMSOIL now formulates a wide variety of synthetic lubricating oils for all types of engines as well as fuel additives, filtration systems and other products that extend ... moreAMSOIL was founded in 1972 with the first API-rated synthetic motor oil in the world. AMSOIL now formulates a wide variety of synthetic lubricating oils for all types of engines as well as fuel additives, filtration systems and other products that extend lubricant performance.
