OEMs continue to evolve engine designs. They're getting smaller, yet producing more power and requiring thinner, lighter oils for increased fuel economy. One brand has evolved right alongside  today's engines – MAG 1®. Only the most advanced motor oils meet the difficult challenges of effectively balancing performance, strength and durability. MAG 1 Full Synthetic Motor Oil is made from 100% pure synthetic base oil and our most advanced additive technology, so it provides our best, longest-lasting engine protection, fuel efficiency, strength and cleanliness. In addition, FMX® Technology creates strong, durable and high-performing oil that controls friction and keeps metal surfaces from coming into contact. In addition, FMX® Technology creates strong, durable and high-performing oil that controls friction and keeps metal surfaces from coming into contact. MAG 1® dexos1™ Gen 3 Approved Motor Oils meet or exceed GM dexos1™ Gen 3 specifications for worldwide warranty requirements for all GM automotive gasoline engines currently in use. The oils are fully licensed by GM.