Red Line fully synthetic 5W50 high performance engine oil popluar for use in Ford Focus RS engines, Ford 5.4L supercharged V8's and early 2000's Range Rovers.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 oilsSpecifications: ACEA A3 / B3 / B4, API SN / SM / SL / SJ / CFRecommendations: FORD M2C931-B/-C FORD WSS-M2C931-B/C, PORSCHE A40