Red Line fully synthetic 20W50 high performance engine oil recommended for use in turbocharged engines and vehicles which get used on the track and on the street occasionally. It has been formulated to provide 25% more viscosity than a petroleum based 20W50 oil for ultimate protection.The high performance engine oil range from Red Line have been developed using fully synthetic ester formulas to provide the very best wear protection and friction reduction resulting in longer lasting engine components, improved fuel economy and better engine performance.High levels of detergent additives in the oil keep the engine cleaner and allows for longer drain intervalsImproves fuel economy and piston ring seal for better performanceHigh natural viscosity index provides a thicker oil film on bearings and cams to give excellent wear protection to extent component lifeOffers increased lubrication of hot metals compared to other synthetic oilsCompatible with other conventional and synthetic engine oil