Full-synthetic motor oil (5W-30, 5 quart); formulated for longer drain intervals Formulated to reduce likelihood of Low Speed Pre-Ignition; reduces friction for improved fuel economy and protection against engine wear High resistance to viscosity and thermal breakdown Helps to fight volatility burn-off to minimize engine deposits and exhaust emissions dexos1 Gen 2, API SN Plus, and ILSAC GF-5 approved; always follow vehicle manual recommendations Formulated for longer drain intervals and a step-up from synthetic blends, AmazonBasics full-synthetic 5W-30 motor oil offers effective lubrication that helps protect the moving parts of an engine. Whether topping off levels or doing a complete oil change, AmazonBasics full-synthetic motor oil supports a vital part of vehicle maintenance. dexos1 Gen 2, API SN, and ILSAC GF-5 approved, AmazonBasics full-synthetic motor oil offers exceptional quality and convenience. Note: Always follow vehicle manual recommendations. Friction-Reducing Formula AmazonBasics full-synthetic motor oil creates a protective coating that helps reduce wear on engine components. By minimizing friction from an engine’s in-contact moving parts (which wastes otherwise useful power), the motor oil helps enhance fuel economy and promotes better power output and performance. Reliable Protection The full-synthetic motor oil helps keep engines clean by minimizing unwanted build-up that can cause damaging rust and corrosion. The motor oil offers a resistance to viscosity and thermal breakdown, plus it helps fight volatility burn-off, which can reduce engine deposits and exhaust emissions.