World class lubricants. American Petroleum Institute Certified: For gasoline engines. It's all about quality. Warren Synthetic Blend SAE 10W-30 Motor Oil is formulated to provide engine protection under severe operating conditions. A blend of synthetic and high viscosity index mineral oils combined with a carefully selected additive package, provide outstanding protection against wear, rust, corrosion, oxidative thickening, acid formation, sludge and varnish deposits. Exceeds ILSAC GF-5 requirements for gasoline engines requiring an SN, SM or SL motor oil. Always consult your owner's manual for specific recommendations. API service SN: SAE 10W-30. Resource conserving. API service SN, SM, SL. ILSAC GF-5. Motor oil is recyclable. Don't pollute. Conserve resources. Return used oil to collection centers. www.warrenoil.com. Made in USA from domestic and imported components.