HELIOS 5W-20, 5W-30, & 10W-30 API - SN, ILSAC GF-5 SYNTHETIC BLEND PASSENGER CAR MOTOR OILS are multi-grade parasynthetic lubricants designed for use in modern fuel injected gasoline engines. HELIOS 5W-20, 5W-30, & 10W-30 API - SN, ILSAC GF-5 SYNTHETIC BLEND PASSENGER CAR MOTOR OILS are formulated with synthetic and type II paraffinic base oils and a special additive package designed for superior protection against wear, corrosion, oxidation and varnish. Furthermore, a unique detergent additive prevents sludge or carbon deposits especially in extreme heat or pressure conditions. With superior anti-shear properties and high-viscosity index type II paraffinic and synthetic base stocks, HELIOS 5W-20, 5W-30, & 10W-30 API - SN, ILSAC GF-5 SYNTHETIC BLEND PASSENGER CAR MOTOR OILS enhance engine performance, extend oil life, ease cold-starts, and eliminate viscosity breakdown. These oils exceed the performance requirements of the American Petroleum's Institute's SN service category as well as ILSAC service category GF-5.