MAG 1 motor oil exceeds the toughest U.S. standards for outstanding engine protection and performance. Specially formulated with only the highest quality, hydrotreated, paraffinic base oils and the most rigorously tested and field proven high performance additive system. Provides superior protection against engine wear, viscosity and thermal breakdown, volatility burnoff, engine deposits and starting friction. U.S.A. Only available for sale in the continental United States. SAE 10W30 exceeds the new ILSAC GF-4 specification and carries the API Certified 'Starburst'