XTRA REV SAE 5W-30 Motor Oil provides extra protection against the harmful effects of city driving, where cars undergo a higher stress due to constant stopping and going. • Protection against timing chain wear and Low Speed Pre-Ignition (LSPI), a potentially catastrophic phenomena that occurs in GDI (gasoline direct injection) engines • Advanced protection against rust, corrosion, sludge, varnish, and wear • Improved fuel economy