GB TURBO SXFE 5W-20 is a fully synthetic passenger car oil formulated using the highest quality synthetic base oils and enhanced additive systems, specifically developed for the latest Ford fuel efficient EcoBoost petrol engines. Meeting the new Ford WSS-M2C948-B specification, it is also backwards compatible with Ford WSS-M2C925-B applications. This fuel-efficient lubricant provides excellent cold-starting performance with less wear on engines, starter motors and batteries.