SFR Synthetic Blend 5W20 motor oil can be used in all gasoline engines. Check your vehicles owners' manual for the correct amount of motor oil to use. SFR Synthetic Blend 5W20 is fully treated with SFR oil fortifiers for maximum performance. SFR Synthetic Blend base lubricant is compliant with GF-4 gasoline engine specifications. It contains low sulfur and phosphorus additive levels to meet the latest EPA regulations. Gallons also have a view stripe with measuring grid on the side of the container for measuring larger quantities for quick use.