Signature Series 5W-50 Synthetic Motor Oil

The AMSOIL Signature Series 5W-50 is a premium 100% synthetic motor oil designed for drivers who demand the ultimate in engine protection and performance. Engineered with cutting-edge technology and a commitment to quality, this oil surpasses the highest industry standards. This advanced formulation provides 75% more engine protection against horsepower loss and wear than the industry standard, significantly extending the life of vital engine components like pistons and cams. It develops a robust fluid film to keep metal surfaces separated and utilizes powerful anti-wear additives to reduce friction in high-contact areas, ensuring maximum engine longevity. Signature Series oil excels in cold-start conditions with superior cold-cranking viscosity, minimizing wear during startup. It also offers exceptional protection for turbocharged engines, performing 72% better than required by the GM dexos1 Gen 2 specification. Furthermore, its heavy treatment of detergent additives provides 28% more acid-neutralizing power than Mobil 1, helping to keep engines cleaner and promoting oil circulation by minimizing performance-robbing deposits and resisting breakdown. With 50% more cleaning power than AMSOIL OE Motor Oil and 90% better protection against sludge, Signature Series ensures critical oil passages remain clear. Independent testing has demonstrated its ability to keep pistons 40% cleaner than required by industry standards, even after extended test durations. This oil is guaranteed for protection for up to 25,000 miles or 1 year.