ACDelco dexos1 GEN 2 Full Synthetic 0W-20 Motor Oil is specifically designed to help improve engine cleanliness, performance, and fuel efficiency  with its high quality base stocks The motor oil helps support the functionality of your engine with in several facets, from helping provide lubrication to minimizing wear and friction between moving parts Furthermore, it meets Dexos1 specifications resulting in high resistance to oxidation, excellent low-temperature flow and pumpability during early-morning cold start-ups, and excellent protection against formation of sludge and other harmful deposits It is formulated  to dexos1 Gen 2 engine oil specification, which is the General Motors' OEM engine oil specification Synthetic motor oils offer protection against wear and viscosity loss due to shear, deposit control, cold weather performance, and oil consumption helping to maximize engine life ACDelco dexos 1 GEN 2 Full Synthetic 0W-20 Motor Oil has been formulated for durability and longevity.