100% Synthetic 5W-30 Motor Oil (ASL) Engineered to outperform all conventional gasoline engine motor oils. Reduce heat, friction and wear for maximum power, performance and fuel efficiency. Clean engine formula. Resists high temperature break down that forms sludge and varnish. Lasts longer and offers better protection. Ideal for hot and cold climates. Recommended for all gasoline engines. SERVICE LIFE AMSOIL Synthetic 5W-30 Motor Oil is recommended for extended drain intervals in unmodified(1), mechanically sound(2) gasoline fueled vehicles as follows: • Normal Service(3) – Up to 25,000 miles or one year, whichever comes first. • Severe Service(4) – Up to 15,000 miles or one year, whichever comes first. • Replace AMSOIL Ea oil filter at the time of oil change up to 25,000 miles or one year, whichever comes first (other brands at standard OEM* intervals).